diff --git a/apps-script/execute/index.js b/apps-script/execute/index.js
index 7fb5fb3a..60e0a451 100644
--- a/apps-script/execute/index.js
+++ b/apps-script/execute/index.js
@@ -45,8 +45,8 @@ async function callAppsScript() {
     // The API executed, but the script returned an error.
 
     // Extract the first (and only) set of error details. The values of this
-    // object are the script's 'errorMessage' and 'errorType', and an array
-    // of stack trace elements.
+    // object are the script's 'errorMessage' and 'errorType', and an array of
+    // stack trace elements.
     const error = resp.data.error.details[0];
 
     console.log(`Script error message: ${error.errorMessage}`);
@@ -60,10 +60,9 @@ async function callAppsScript() {
       }
     }
   } else {
-    // The structure of the result will depend upon what the Apps Script
-    // function returns. Here, the function returns an Apps Script Object
-    // with String keys and values, and so the result is treated as a
-    // Node.js object (folderSet).
+    // The structure of the result depends on the Apps Script function's return value.
+    // Here, the function returns an object with string keys and values, which is
+    // treated as a Node.js object (folderSet).
     const folderSet = resp.data.response ?? {};
     if (Object.keys(folderSet).length === 0) {
       console.log('No folders returned!');
diff --git a/chat/client-libraries/cloud/authentication-utils.js b/chat/client-libraries/cloud/authentication-utils.js
index bb37deee..8eb02571 100644
--- a/chat/client-libraries/cloud/authentication-utils.js
+++ b/chat/client-libraries/cloud/authentication-utils.js
@@ -84,7 +84,7 @@ function getAuthenticatedUserOAuth2Client(scopes) {
       scope: scopes,
     });
 
-    // Open an HTTP server to accept the OAuth2 callback
+    // Creates and starts an HTTP server to accept the OAuth2 callback.
     const server = http
       .createServer(async (request, response) => {
         try {
@@ -108,7 +108,7 @@ function getAuthenticatedUserOAuth2Client(scopes) {
         }
       })
       .listen(3000, () => {
-        // Open default browser and start the flow
+        // Opens the default browser to start the OAuth2 flow.
         open(authorizeUrl, {wait: false}).then((cp) => cp.unref());
       });
     destroyer(server);
diff --git a/chat/client-libraries/cloud/create-custom-emoji-user-cred.js b/chat/client-libraries/cloud/create-custom-emoji-user-cred.js
index 4ee74302..1b5e57e0 100644
--- a/chat/client-libraries/cloud/create-custom-emoji-user-cred.js
+++ b/chat/client-libraries/cloud/create-custom-emoji-user-cred.js
@@ -32,7 +32,7 @@ async function main() {
 
   // TODO(developer) Replace FILENAME here.
   const filename = 'FILENAME';
-  // Read Custom emoji file content into base64 encoded string
+  // Read custom emoji file content into a base64 encoded string.
   const fileContent = fs.readFileSync(filename, {encoding: 'base64'});
 
   // Initialize request argument(s)
diff --git a/chat/client-libraries/cloud/create-membership-user-cred-for-app.js b/chat/client-libraries/cloud/create-membership-user-cred-for-app.js
index 0c4d17c3..56788d47 100644
--- a/chat/client-libraries/cloud/create-membership-user-cred-for-app.js
+++ b/chat/client-libraries/cloud/create-membership-user-cred-for-app.js
@@ -23,7 +23,7 @@ const USER_AUTH_OAUTH_SCOPES = [
   'https://www.googleapis.com/auth/chat.memberships.app',
 ];
 
-// This sample shows how to create membership with app credential for an app
+// This sample shows how to create an app membership.
 async function main() {
   // Create a client
   const chatClient = await createClientWithUserCredentials(
diff --git a/chat/client-libraries/cloud/create-membership-user-cred.js b/chat/client-libraries/cloud/create-membership-user-cred.js
index e05a593a..2409b451 100644
--- a/chat/client-libraries/cloud/create-membership-user-cred.js
+++ b/chat/client-libraries/cloud/create-membership-user-cred.js
@@ -23,7 +23,8 @@ const USER_AUTH_OAUTH_SCOPES = [
   'https://www.googleapis.com/auth/chat.memberships',
 ];
 
-// This sample shows how to create membership with user credential for a human user
+// This sample shows how to create membership with user credential for a human
+// user
 async function main() {
   // Create a client
   const chatClient = await createClientWithUserCredentials(
diff --git a/chat/client-libraries/cloud/create-message-user-cred-at-mention.js b/chat/client-libraries/cloud/create-message-user-cred-at-mention.js
index 8bd44d10..ad6f1a3a 100644
--- a/chat/client-libraries/cloud/create-message-user-cred-at-mention.js
+++ b/chat/client-libraries/cloud/create-message-user-cred-at-mention.js
@@ -23,7 +23,8 @@ const USER_AUTH_OAUTH_SCOPES = [
   'https://www.googleapis.com/auth/chat.messages.create',
 ];
 
-// This sample shows how to create message with user credential with a user mention
+// This sample shows how to create message with user credential with a user
+// mention
 async function main() {
   // Create a client
   const chatClient = await createClientWithUserCredentials(
diff --git a/chat/client-libraries/cloud/create-message-user-cred-message-id.js b/chat/client-libraries/cloud/create-message-user-cred-message-id.js
index 76bc0eb3..be3886c9 100644
--- a/chat/client-libraries/cloud/create-message-user-cred-message-id.js
+++ b/chat/client-libraries/cloud/create-message-user-cred-message-id.js
@@ -23,7 +23,8 @@ const USER_AUTH_OAUTH_SCOPES = [
   'https://www.googleapis.com/auth/chat.messages.create',
 ];
 
-// This sample shows how to create message with user credential with message id
+// This sample shows how to create a message with user credentials and a custom
+// message id
 async function main() {
   // Create a client
   const chatClient = await createClientWithUserCredentials(
diff --git a/chat/client-libraries/cloud/create-message-user-cred-thread-name.js b/chat/client-libraries/cloud/create-message-user-cred-thread-name.js
index 877ab8aa..53e4ca03 100644
--- a/chat/client-libraries/cloud/create-message-user-cred-thread-name.js
+++ b/chat/client-libraries/cloud/create-message-user-cred-thread-name.js
@@ -24,7 +24,8 @@ const USER_AUTH_OAUTH_SCOPES = [
   'https://www.googleapis.com/auth/chat.messages.create',
 ];
 
-// This sample shows how to create message with user credential with thread name
+// This sample shows how to create a message with user credentials in a named
+// thread
 async function main() {
   // Create a client
   const chatClient = await createClientWithUserCredentials(
@@ -35,8 +36,8 @@ async function main() {
   const request = {
     // Replace SPACE_NAME here.
     parent: 'spaces/SPACE_NAME',
-    // Creates the message as a reply to the thread specified by thread.name
-    // If it fails, the message starts a new thread instead
+    // Creates the message as a reply to the thread specified by thread.name.
+    // If it fails, the message starts a new thread instead.
     messageReplyOption:
       protos.google.chat.v1.CreateMessageRequest.MessageReplyOption
         .REPLY_MESSAGE_FALLBACK_TO_NEW_THREAD,
diff --git a/chat/client-libraries/cloud/delete-membership-user-cred.js b/chat/client-libraries/cloud/delete-membership-user-cred.js
index 670c92ef..5fcc9c15 100644
--- a/chat/client-libraries/cloud/delete-membership-user-cred.js
+++ b/chat/client-libraries/cloud/delete-membership-user-cred.js
@@ -23,7 +23,8 @@ const USER_AUTH_OAUTH_SCOPES = [
   'https://www.googleapis.com/auth/chat.memberships',
 ];
 
-// This sample shows how to delete a membership of type HUMAN with user credential
+// This sample shows how to delete a membership of type HUMAN with user
+// credential
 async function main() {
   // Create a client
   const chatClient = await createClientWithUserCredentials(
diff --git a/chat/client-libraries/cloud/get-attachment-app-cred.js b/chat/client-libraries/cloud/get-attachment-app-cred.js
index cc23d7bf..a7748fe6 100644
--- a/chat/client-libraries/cloud/get-attachment-app-cred.js
+++ b/chat/client-libraries/cloud/get-attachment-app-cred.js
@@ -19,7 +19,8 @@
 
 import {createClientWithAppCredentials} from './authentication-utils.js';
 
-// This sample shows how to get attachment metadata with app credential
+// This sample shows how to get attachment metadata with app
+// credential
 async function main() {
   // Create a client
   const chatClient = createClientWithAppCredentials();
diff --git a/chat/client-libraries/cloud/get-space-notification-setting-user-cred.js b/chat/client-libraries/cloud/get-space-notification-setting-user-cred.js
index 4615e152..1e069760 100644
--- a/chat/client-libraries/cloud/get-space-notification-setting-user-cred.js
+++ b/chat/client-libraries/cloud/get-space-notification-setting-user-cred.js
@@ -23,14 +23,16 @@ const USER_AUTH_OAUTH_SCOPES = [
   'https://www.googleapis.com/auth/chat.users.spacesettings',
 ];
 
-// This sample shows how to get the space notification setting for the calling user
+// This sample shows how to get the space notification setting for the calling
+// user
 async function main() {
   // Create a client
   const chatClient = await createClientWithUserCredentials(
     USER_AUTH_OAUTH_SCOPES,
   );
 
-  // Initialize request argument(s), replace the SPACE_NAME with an actual space name.
+  // Initialize request argument(s), replace the SPACE_NAME with an actual space
+  // name.
   const request = {
     name: 'users/me/spaces/SPACE_NAME/spaceNotificationSetting',
   };
diff --git a/chat/client-libraries/cloud/get-thread-read-state-user-cred.js b/chat/client-libraries/cloud/get-thread-read-state-user-cred.js
index dd1f82ca..61500eb0 100644
--- a/chat/client-libraries/cloud/get-thread-read-state-user-cred.js
+++ b/chat/client-libraries/cloud/get-thread-read-state-user-cred.js
@@ -23,7 +23,8 @@ const USER_AUTH_OAUTH_SCOPES = [
   'https://www.googleapis.com/auth/chat.users.readstate.readonly',
 ];
 
-// This sample shows how to get the thread read state for a space and calling user
+// This sample shows how to get the thread read state for a space and calling
+// user
 async function main() {
   // Create a client
   const chatClient = await createClientWithUserCredentials(
diff --git a/chat/client-libraries/cloud/list-messages-user-cred.js b/chat/client-libraries/cloud/list-messages-user-cred.js
index 9b684f8a..1e32b832 100644
--- a/chat/client-libraries/cloud/list-messages-user-cred.js
+++ b/chat/client-libraries/cloud/list-messages-user-cred.js
@@ -39,8 +39,8 @@ async function main() {
   // Make the request
   const pageResult = chatClient.listMessagesAsync(request);
 
-  // Handle the response. Iterating over pageResult will yield results and
-  // resolve additional pages automatically.
+  // Handle the response. Iterating over pageResult will yield results
+  // and resolve additional pages automatically.
   for await (const response of pageResult) {
     console.log(response);
   }
diff --git a/chat/client-libraries/cloud/list-reactions-user-cred.js b/chat/client-libraries/cloud/list-reactions-user-cred.js
index 65bad11e..22b754ea 100644
--- a/chat/client-libraries/cloud/list-reactions-user-cred.js
+++ b/chat/client-libraries/cloud/list-reactions-user-cred.js
@@ -39,8 +39,8 @@ async function main() {
   // Make the request
   const pageResult = chatClient.listReactionsAsync(request);
 
-  // Handle the response. Iterating over pageResult will yield results and
-  // resolve additional pages automatically.
+  // Handle the response. Iterating over pageResult will yield results
+  // and resolve additional pages automatically.
   for await (const response of pageResult) {
     console.log(response);
   }
diff --git a/chat/client-libraries/cloud/list-space-events-user-cred.js b/chat/client-libraries/cloud/list-space-events-user-cred.js
index a63a8e0a..2f90e796 100644
--- a/chat/client-libraries/cloud/list-space-events-user-cred.js
+++ b/chat/client-libraries/cloud/list-space-events-user-cred.js
@@ -36,7 +36,7 @@ async function main() {
   const request = {
     // Replace SPACE_NAME here
     parent: 'spaces/SPACE_NAME',
-    // A required filter. Filters events about new memberships and messages
+    // A required filter. Filters events about new memberships and messages.
     filter:
       'eventTypes:"google.workspace.chat.membership.v1.created" OR eventTypes:"google.workspace.chat.message.v1.created"',
   };
diff --git a/chat/client-libraries/cloud/list-spaces-app-cred.js b/chat/client-libraries/cloud/list-spaces-app-cred.js
index e4c66984..dd5a4d98 100644
--- a/chat/client-libraries/cloud/list-spaces-app-cred.js
+++ b/chat/client-libraries/cloud/list-spaces-app-cred.js
@@ -33,8 +33,8 @@ async function main() {
   // Make the request
   const pageResult = chatClient.listSpacesAsync(request);
 
-  // Handle the response. Iterating over pageResult will yield results and
-  // resolve additional pages automatically.
+  // Handle the response. Iterating over pageResult will yield results
+  // and resolve additional pages automatically.
   for await (const response of pageResult) {
     console.log(response);
   }
diff --git a/chat/client-libraries/cloud/list-spaces-user-cred.js b/chat/client-libraries/cloud/list-spaces-user-cred.js
index 205f305a..3a961c15 100644
--- a/chat/client-libraries/cloud/list-spaces-user-cred.js
+++ b/chat/client-libraries/cloud/list-spaces-user-cred.js
@@ -39,8 +39,8 @@ async function main() {
   // Make the request
   const pageResult = chatClient.listSpacesAsync(request);
 
-  // Handle the response. Iterating over pageResult will yield results and
-  // resolve additional pages automatically.
+  // Handle the response. Iterating over pageResult will yield results
+  // and resolve additional pages automatically.
   for await (const response of pageResult) {
     console.log(response);
   }
diff --git a/chat/client-libraries/cloud/update-message-app-cred.js b/chat/client-libraries/cloud/update-message-app-cred.js
index 189595a4..08404958 100644
--- a/chat/client-libraries/cloud/update-message-app-cred.js
+++ b/chat/client-libraries/cloud/update-message-app-cred.js
@@ -42,8 +42,8 @@ async function main() {
         },
       ],
     },
-    // The field paths to update. Separate multiple values with commas or use
-    // `*` to update all field paths.
+    // The field paths to update. Separate multiple values with commas or use `*`
+    // to update all field paths.
     updateMask: {
       // The field paths to update.
       paths: ['text', 'cards_v2'],
diff --git a/chat/client-libraries/cloud/update-message-user-cred.js b/chat/client-libraries/cloud/update-message-user-cred.js
index 41c99186..656e4729 100644
--- a/chat/client-libraries/cloud/update-message-user-cred.js
+++ b/chat/client-libraries/cloud/update-message-user-cred.js
@@ -37,8 +37,8 @@ async function main() {
       name: 'spaces/SPACE_NAME/messages/MESSAGE_NAME',
       text: 'Updated with user credential!',
     },
-    // The field paths to update. Separate multiple values with commas or use
-    // `*` to update all field paths.
+    // The field paths to update. Separate multiple values with commas or use `*`
+    // to update all field paths.
     updateMask: {
       // The field paths to update.
       paths: ['text'],
diff --git a/chat/client-libraries/cloud/update-space-notification-setting-user-cred.js b/chat/client-libraries/cloud/update-space-notification-setting-user-cred.js
index 7889cf9c..825ab2e5 100644
--- a/chat/client-libraries/cloud/update-space-notification-setting-user-cred.js
+++ b/chat/client-libraries/cloud/update-space-notification-setting-user-cred.js
@@ -23,14 +23,16 @@ const USER_AUTH_OAUTH_SCOPES = [
   'https://www.googleapis.com/auth/chat.users.spacesettings',
 ];
 
-// This sample shows how to update the space notification setting for the calling user
+// This sample shows how to update the space notification setting for the
+// calling user
 async function main() {
   // Create a client
   const chatClient = await createClientWithUserCredentials(
     USER_AUTH_OAUTH_SCOPES,
   );
 
-  // Initialize request argument(s), replace the SPACE_NAME with an actual space name.
+  // Initialize request argument(s), replace the SPACE_NAME with an actual space
+  // name.
   const request = {
     spaceNotificationSetting: {
       name: 'users/me/spaces/SPACE_NAME/spaceNotificationSetting',
diff --git a/chat/client-libraries/cloud/update-space-user-cred.js b/chat/client-libraries/cloud/update-space-user-cred.js
index 6e3c2df1..7db2d16f 100644
--- a/chat/client-libraries/cloud/update-space-user-cred.js
+++ b/chat/client-libraries/cloud/update-space-user-cred.js
@@ -35,8 +35,8 @@ async function main() {
       name: 'spaces/SPACE_NAME',
       displayName: 'New space display name',
     },
-    // The field paths to update. Separate multiple values with commas or use
-    // `*` to update all field paths.
+    // The field paths to update. Separate multiple values with commas or use `*`
+    // to update all field paths.
     updateMask: {
       // The field paths to update.
       paths: ['display_name'],
diff --git a/chat/quickstart/index.js b/chat/quickstart/index.js
index 34ff6142..6e11911a 100644
--- a/chat/quickstart/index.js
+++ b/chat/quickstart/index.js
@@ -48,8 +48,8 @@ async function listSpaces() {
   // Make the request
   const pageResult = chatClient.listSpacesAsync(request);
 
-  // Handle the response. Iterating over pageResult will yield results and
-  // resolve additional pages automatically.
+  // Handle the response. Iterating over pageResult will yield results
+  // and resolve additional pages automatically.
   for await (const response of pageResult) {
     console.log(response);
   }
diff --git a/drive/snippets/drive_v2/drive_snippets/recover_drives.js b/drive/snippets/drive_v2/drive_snippets/recover_drives.js
index 0e495893..b744f97c 100644
--- a/drive/snippets/drive_v2/drive_snippets/recover_drives.js
+++ b/drive/snippets/drive_v2/drive_snippets/recover_drives.js
@@ -21,7 +21,7 @@ import {google} from 'googleapis';
 
 /**
  * Find all shared drives without an organizer and add one.
- * @param{string} userEmail user ID
+ * @param{string} userEmail The email of the user to transfer ownership to.
  */
 async function recoverDrives(userEmail) {
   // Get credentials and build service
diff --git a/drive/snippets/drive_v2/file snippets/move_file_to_folder.js b/drive/snippets/drive_v2/file snippets/move_file_to_folder.js
index a5f0fc6e..a1c83c17 100644
--- a/drive/snippets/drive_v2/file snippets/move_file_to_folder.js	
+++ b/drive/snippets/drive_v2/file snippets/move_file_to_folder.js	
@@ -20,7 +20,7 @@ import {GoogleAuth} from 'google-auth-library';
 import {google} from 'googleapis';
 
 /**
- * Change the file's modification timestamp.
+ * Moves a file to a folder.
  * @param{string} fileId Id of the file to move
  * @param{string} folderId Id of the folder to move
  * @return{Promise<number>} file status
diff --git a/drive/snippets/drive_v2/file snippets/search_file.js b/drive/snippets/drive_v2/file snippets/search_file.js
index cba6b18a..fcfb1fcc 100644
--- a/drive/snippets/drive_v2/file snippets/search_file.js	
+++ b/drive/snippets/drive_v2/file snippets/search_file.js	
@@ -20,7 +20,7 @@ import {GoogleAuth} from 'google-auth-library';
 import {google} from 'googleapis';
 
 /**
- * Search file in drive location
+ * Searches for files in Google Drive.
  */
 async function searchFile() {
   // Get credentials and build service
diff --git a/drive/snippets/drive_v2/file snippets/share_file.js b/drive/snippets/drive_v2/file snippets/share_file.js
index 3ecb26db..467324fa 100644
--- a/drive/snippets/drive_v2/file snippets/share_file.js	
+++ b/drive/snippets/drive_v2/file snippets/share_file.js	
@@ -20,10 +20,10 @@ import {GoogleAuth} from 'google-auth-library';
 import {google} from 'googleapis';
 
 /**
- * Download a Document file in PDF format
- * @param{string} fileId file ID
- * @param{string} targetUser username
- * @param{string} targetDomain domain
+ * Share a file with a user and a domain.
+ * @param{string} fileId The ID of the file to share.
+ * @param{string} targetUser The email address of the user to share with.
+ * @param{string} targetDomain The domain to share with.
  */
 async function shareFile(fileId, targetUser, targetDomain) {
   // Get credentials and build service
@@ -48,10 +48,9 @@ async function shareFile(fileId, targetUser, targetDomain) {
     },
   ];
 
-  // Note: Client library does not currently support HTTP batch
-  // requests. When possible, use batched requests when inserting
-  // multiple permissions on the same item. For this sample,
-  // permissions are inserted serially.
+  // Note: Client library does not currently support HTTP batch requests. When
+  // possible, use batched requests when inserting multiple permissions on the
+  // same item. For this sample, permissions are inserted serially.
   for (const permission of permissions) {
     try {
       const result = await service.permissions.insert({
diff --git a/drive/snippets/drive_v2/file snippets/touch_file.js b/drive/snippets/drive_v2/file snippets/touch_file.js
index 90862fa9..61a039f7 100644
--- a/drive/snippets/drive_v2/file snippets/touch_file.js	
+++ b/drive/snippets/drive_v2/file snippets/touch_file.js	
@@ -21,9 +21,9 @@ import {google} from 'googleapis';
 
 /**
  * Change the file's modification timestamp.
- * @param{string} fileId ID of the file to change modified time
- * @param{string} timestamp Timestamp to override Modified date time of the file
- * @return{Promise<string|null|undefined>} modified timestamp
+ * @param{string} fileId ID of the file to change modified time.
+ * @param{string} timestamp Timestamp to override the modification timestamp of the file.
+ * @return{Promise<string|null|undefined>} The modified timestamp.
  */
 async function touchFile(fileId, timestamp) {
   // Get credentials and build service
diff --git a/drive/snippets/drive_v3/change_snippets/fetch_changes.js b/drive/snippets/drive_v3/change_snippets/fetch_changes.js
index ffe025b3..b4cb2afd 100644
--- a/drive/snippets/drive_v3/change_snippets/fetch_changes.js
+++ b/drive/snippets/drive_v3/change_snippets/fetch_changes.js
@@ -21,7 +21,8 @@ import {google} from 'googleapis';
 
 /**
  * Retrieve the list of changes for the currently authenticated user.
- * @param {string} savedStartPageToken page token got after executing fetch_start_page_token.js file
+ * @param {string} savedStartPageToken page token got after executing
+ * fetch_start_page_token.js file
  **/
 async function fetchChanges(savedStartPageToken) {
   // Get credentials and build service
diff --git a/drive/snippets/drive_v3/file_snippets/create_folder.js b/drive/snippets/drive_v3/file_snippets/create_folder.js
index 6864d640..b28e494d 100644
--- a/drive/snippets/drive_v3/file_snippets/create_folder.js
+++ b/drive/snippets/drive_v3/file_snippets/create_folder.js
@@ -20,8 +20,8 @@ import {GoogleAuth} from 'google-auth-library';
 import {google} from 'googleapis';
 
 /**
- * Create a folder and prints the folder ID
- * @return{Promise<string|null|undefined>} folder Id
+ * Create a folder and return the folder ID.
+ * @return{Promise<string|null|undefined>} The folder ID.
  */
 async function createFolder() {
   // Get credentials and build service
diff --git a/drive/snippets/drive_v3/file_snippets/create_shortcut.js b/drive/snippets/drive_v3/file_snippets/create_shortcut.js
index 340ff631..d438aa9d 100644
--- a/drive/snippets/drive_v3/file_snippets/create_shortcut.js
+++ b/drive/snippets/drive_v3/file_snippets/create_shortcut.js
@@ -20,8 +20,8 @@ import {GoogleAuth} from 'google-auth-library';
 import {google} from 'googleapis';
 
 /**
- * Create a third party shortcut
- * @return{Promise<string|null|undefined>} shortcut Id
+ * Create a shortcut.
+ * @return{Promise<string|null|undefined>} The shortcut ID.
  */
 async function createShortcut() {
   // Get credentials and build service
diff --git a/drive/snippets/drive_v3/file_snippets/download_file.js b/drive/snippets/drive_v3/file_snippets/download_file.js
index a81c58ab..94eb62c9 100644
--- a/drive/snippets/drive_v3/file_snippets/download_file.js
+++ b/drive/snippets/drive_v3/file_snippets/download_file.js
@@ -21,10 +21,10 @@ import {google} from 'googleapis';
 
 /**
  * Downloads a file
- * @param{string} realFileId file ID
+ * @param{string} fileId file ID
  * @return{Promise<number>} file status
  */
-async function downloadFile(realFileId) {
+async function downloadFile(fileId) {
   // Get credentials and build service
   // TODO (developer) - Use appropriate auth mechanism for your app
 
@@ -33,7 +33,6 @@ async function downloadFile(realFileId) {
   });
   const service = google.drive({version: 'v3', auth});
 
-  const fileId = realFileId;
   const file = await service.files.get({
     fileId,
     alt: 'media',
diff --git a/drive/snippets/drive_v3/file_snippets/export_pdf.js b/drive/snippets/drive_v3/file_snippets/export_pdf.js
index 89939e1b..e8027e93 100644
--- a/drive/snippets/drive_v3/file_snippets/export_pdf.js
+++ b/drive/snippets/drive_v3/file_snippets/export_pdf.js
@@ -22,7 +22,7 @@ import {google} from 'googleapis';
 /**
  * Download a Document file in PDF format
  * @param{string} fileId file ID
- * @return{Promise<number>} file status
+ * @return{Promise<number>} The status of the export request.
  */
 async function exportPdf(fileId) {
   // Get credentials and build service
diff --git a/drive/snippets/drive_v3/file_snippets/search_file.js b/drive/snippets/drive_v3/file_snippets/search_file.js
index 2ab7eeb1..56935a87 100644
--- a/drive/snippets/drive_v3/file_snippets/search_file.js
+++ b/drive/snippets/drive_v3/file_snippets/search_file.js
@@ -20,7 +20,7 @@ import {GoogleAuth} from 'google-auth-library';
 import {google} from 'googleapis';
 
 /**
- * Search file in drive location
+ * Searches for files in Google Drive.
  */
 async function searchFile() {
   // Get credentials and build service
diff --git a/drive/snippets/drive_v3/file_snippets/share_file.js b/drive/snippets/drive_v3/file_snippets/share_file.js
index 5216547e..53695a25 100644
--- a/drive/snippets/drive_v3/file_snippets/share_file.js
+++ b/drive/snippets/drive_v3/file_snippets/share_file.js
@@ -20,12 +20,11 @@ import {GoogleAuth} from 'google-auth-library';
 import {google} from 'googleapis';
 
 /**
- * Batch permission modification
- *
- * @param{string} fileId file ID
- * @param{string} targetUserEmail username
- * @param{string} targetDomainName domain
- * @return{Promise<Array<string>>} permission id
+ * Share a file with a user and a domain.
+ * @param{string} fileId The ID of the file to share.
+ * @param{string} targetUserEmail The email address of the user to share with.
+ * @param{string} targetDomainName The domain to share with.
+ * @return{Promise<Array<string>>} A promise that resolves to an array of permission IDs.
  */
 async function shareFile(fileId, targetUserEmail, targetDomainName) {
   // Get credentials and build service
diff --git a/drive/snippets/drive_v3/file_snippets/touch_file.js b/drive/snippets/drive_v3/file_snippets/touch_file.js
index 0567bc81..bc2850e3 100644
--- a/drive/snippets/drive_v3/file_snippets/touch_file.js
+++ b/drive/snippets/drive_v3/file_snippets/touch_file.js
@@ -21,11 +21,11 @@ import {google} from 'googleapis';
 
 /**
  * Change the file's modification timestamp.
- * @param{string} fileId ID of the file to change modified time
- * @param{string} Timestamp Timestamp to override Modified date time of the file
- * @return{Promise<string|null|undefined>} modified Timestamp
+ * @param{string} fileId ID of the file to change modified time.
+ * @param{string} timestamp Timestamp to override the modification timestamp of the file.
+ * @return{Promise<string|null|undefined>} The modified timestamp.
  **/
-async function touchFile(fileId, Timestamp) {
+async function touchFile(fileId, timestamp) {
   // Get credentials and build service
   // TODO (developer) - Use appropriate auth mechanism for your app
   const auth = new GoogleAuth({
@@ -35,7 +35,7 @@ async function touchFile(fileId, Timestamp) {
   const fileMetadata = {
     modifiedTime: new Date().toISOString(),
   };
-  fileMetadata.modifiedTime = Timestamp;
+  fileMetadata.modifiedTime = timestamp;
   const file = await service.files.update({
     fileId,
     requestBody: fileMetadata,
diff --git a/drive/snippets/test/test_drive_v2_create_drive.js b/drive/snippets/test/test_drive_v2_create_drive.js
index 3675965b..83d6c686 100644
--- a/drive/snippets/test/test_drive_v2_create_drive.js
+++ b/drive/snippets/test/test_drive_v2_create_drive.js
@@ -25,9 +25,9 @@ describe('Drive snippets', () => {
     return helpers.cleanup();
   });
 
-  // Note, you must enable creating Team Drives for your service account.
+  // Note, you must enable creating shared drives for your service account.
   // https://support.google.com/a/answer/7337635?hl=en
-  it('should create a team drive', async () => {
+  it('should create a shared drive', async () => {
     const id = await createDrive();
     expect(id).toBeDefined();
     await helpers.service.teamdrives.delete({teamDriveId: id});
diff --git a/drive/snippets/test/test_drive_v2_recover_drives.js b/drive/snippets/test/test_drive_v2_recover_drives.js
index f0f56b53..c940c086 100644
--- a/drive/snippets/test/test_drive_v2_recover_drives.js
+++ b/drive/snippets/test/test_drive_v2_recover_drives.js
@@ -26,7 +26,7 @@ describe('Drive snippets', () => {
     return helpers.cleanup();
   });
 
-  // Note, you must enable creating Team Drives for your service account.
+  // Note, you must enable creating shared drives for your service account.
   // https://support.google.com/a/answer/7337635?hl=en
   it('should recover team drives', async () => {
     await createOrphanedTeamDrive();
@@ -35,8 +35,8 @@ describe('Drive snippets', () => {
   });
 
   /**
-   * Creates a standalone Team Drive.
-   * @return {fileId} The id of the new Team Drive.
+   * Creates a standalone shared drive.
+   * @return {fileId} The id of the new shared drive.
    */
   async function createOrphanedTeamDrive() {
     const fileId = await createDrive();
diff --git a/drive/snippets/test/test_drive_v3_create_drive.js b/drive/snippets/test/test_drive_v3_create_drive.js
index d2fcb184..cba0f06e 100644
--- a/drive/snippets/test/test_drive_v3_create_drive.js
+++ b/drive/snippets/test/test_drive_v3_create_drive.js
@@ -21,9 +21,9 @@ import {Helpers} from './helpers.js';
 describe('Drive snippets', () => {
   const helpers = new Helpers();
 
-  // Note, you must enable creating Team Drives for your service account.
+  // Note, you must enable creating shared drives for your service account.
   // https://support.google.com/a/answer/7337635?hl=en
-  it('should create a team drive', async () => {
+  it('should create a shared drive', async () => {
     const id = await createDrive();
     expect(id).toBeDefined();
     await helpers.service.teamdrives.delete({teamDriveId: id});
diff --git a/drive/snippets/test/test_drive_v3_recover_drives.js b/drive/snippets/test/test_drive_v3_recover_drives.js
index 32942c1d..2ccef7fa 100644
--- a/drive/snippets/test/test_drive_v3_recover_drives.js
+++ b/drive/snippets/test/test_drive_v3_recover_drives.js
@@ -26,7 +26,7 @@ describe('Drive snippets', () => {
     return helpers.cleanup();
   });
 
-  // Note, you must enable creating Team Drives for your service account.
+  // Note, you must enable creating shared drives for your service account.
   // https://support.google.com/a/answer/7337635?hl=en
   it('should recover team drives', async () => {
     await createOrphanedTeamDrive();
@@ -35,8 +35,8 @@ describe('Drive snippets', () => {
   });
 
   /**
-   * Creates a standalone Team Drive.
-   * @return {fileId} The id of the new Team Drive.
+   * Creates a standalone shared drive.
+   * @return {fileId} The id of the new shared drive.
    */
   async function createOrphanedTeamDrive() {
     const fileId = await createDrive();
diff --git a/forms/snippets/anyone_with_link_responder.js b/forms/snippets/anyone_with_link_responder.js
index 9942c0ff..03c5d2f1 100644
--- a/forms/snippets/anyone_with_link_responder.js
+++ b/forms/snippets/anyone_with_link_responder.js
@@ -99,7 +99,8 @@ async function setAnyoneWithLinkResponder(formId) {
       fields: 'id', // Request only needed fields
     });
     console.log(
-      `'Anyone with the link can respond' permission set for form '${formId}'. Permission ID: ${result.data.id}`,
+      `'Anyone with the link can respond' permission set for form '${formId}'.` +
+        ` Permission ID: ${result.data.id}`,
     );
   } catch (e) {
     console.error(`Error setting "anyone with link" permission: ${e}`);
@@ -147,12 +148,11 @@ async function removeAnyoneWithLinkResponder(formId) {
         permissionId: permissionIdToDelete,
       });
       console.log(
-        `Successfully removed 'Anyone with the link' permission (ID: ${permissionIdToDelete}) from form '${formId}'.`,
+        `Successfully removed permission (ID: ${permissionIdToDelete})` +
+          ` from form '${formId}'.`,
       );
     } else {
-      console.log(
-        `'Anyone with the link can respond' permission not found for form '${formId}'. Nothing to remove.`,
-      );
+      console.log(`Permission not found for form '${formId}'.`);
     }
   } catch (e) {
     console.error(`Error removing "anyone with link" permission: ${e}`);
diff --git a/sheets/snippets/sheets_batch_update.js b/sheets/snippets/sheets_batch_update.js
index 21a32588..3f1bec9d 100644
--- a/sheets/snippets/sheets_batch_update.js
+++ b/sheets/snippets/sheets_batch_update.js
@@ -24,7 +24,7 @@ import {google} from 'googleapis';
  * @param {string} title The new Spreadsheet title
  * @param {string} find The text to find
  * @param {string} replacement The text to replace
- * @return {obj} holding the information regarding the replacement of strings
+ * @return {Promise<object>} A promise that resolves to the response from the batch update.
  */
 async function batchUpdate(spreadsheetId, title, find, replacement) {
   const auth = new GoogleAuth({
diff --git a/sheets/snippets/sheets_create.js b/sheets/snippets/sheets_create.js
index 834a94bd..14ea3695 100644
--- a/sheets/snippets/sheets_create.js
+++ b/sheets/snippets/sheets_create.js
@@ -19,9 +19,9 @@ import {GoogleAuth} from 'google-auth-library';
 import {google} from 'googleapis';
 
 /**
- * Create a google spreadsheet
- * @param {string} title Spreadsheets title
- * @return {string} Created spreadsheets ID
+ * Creates a Google Spreadsheet.
+ * @param {string} title The spreadsheet's title.
+ * @return {string} The ID of the created spreadsheet.
  */
 async function create(title) {
   const auth = new GoogleAuth({
diff --git a/sheets/snippets/sheets_get_values.js b/sheets/snippets/sheets_get_values.js
index f1f08510..2539afc7 100644
--- a/sheets/snippets/sheets_get_values.js
+++ b/sheets/snippets/sheets_get_values.js
@@ -22,7 +22,7 @@ import {google} from 'googleapis';
  * Gets cell values from a Spreadsheet.
  * @param {string} spreadsheetId The spreadsheet ID.
  * @param {string} range The sheet range.
- * @return {obj} spreadsheet information
+ * @return {Promise<object>} A promise that resolves to the response from the get.
  */
 async function getValues(spreadsheetId, range) {
   const auth = new GoogleAuth({
diff --git a/sheets/snippets/sheets_pivot_table.js b/sheets/snippets/sheets_pivot_table.js
index b896f842..6b3da1d9 100644
--- a/sheets/snippets/sheets_pivot_table.js
+++ b/sheets/snippets/sheets_pivot_table.js
@@ -21,7 +21,7 @@ import {google} from 'googleapis';
 /**
  * Adds a pivot table to a spreadsheet.
  * @param {string} spreadsheetId The Spreadsheet to add the pivot table to.
- * @return {obj} spreadsheet information
+ * @return {Promise<object>} A promise that resolves to the response from the batch update.
  */
 async function pivotTable(spreadsheetId) {
   const auth = new GoogleAuth({
diff --git a/slides/snippets/slides_create_image.js b/slides/snippets/slides_create_image.js
index a8335133..355a1bc9 100644
--- a/slides/snippets/slides_create_image.js
+++ b/slides/snippets/slides_create_image.js
@@ -32,7 +32,8 @@ async function createImage(presentationId, pageId) {
 
   const imageUrl =
     'https://www.google.com/images/branding/googlelogo/2x/googlelogo_color_272x92dp.png';
-  // Create a new image, using the supplied object ID, with content downloaded from imageUrl.
+  // Create a new image, using the supplied object ID, with content
+  // downloaded from imageUrl.
   const imageId = 'MyImage_01';
   const emu4M = {
     magnitude: 4000000,
diff --git a/slides/snippets/slides_create_sheets_chart.js b/slides/snippets/slides_create_sheets_chart.js
index 85277429..daa42841 100644
--- a/slides/snippets/slides_create_sheets_chart.js
+++ b/slides/snippets/slides_create_sheets_chart.js
@@ -37,9 +37,9 @@ async function createSheetsChart(
 
   const service = google.slides({version: 'v1', auth});
 
-  // Embed a Sheets chart (indicated by the spreadsheetId and sheetChartId) onto
-  // a page in the presentation. Setting the linking mode as "LINKED" allows the
-  // chart to be refreshed if the Sheets version is updated.
+  // Embed a Sheets chart (indicated by the spreadsheetId and sheetChartId)
+  // onto a page in the presentation. Setting the linking mode as "LINKED"
+  // allows the chart to be refreshed if the Sheets version is updated.
   const emu4M = {
     magnitude: 4000000,
     unit: 'EMU',
diff --git a/slides/snippets/slides_create_slide.js b/slides/snippets/slides_create_slide.js
index d49f26c9..fc3e2d21 100644
--- a/slides/snippets/slides_create_slide.js
+++ b/slides/snippets/slides_create_slide.js
@@ -49,7 +49,7 @@ async function createSlide(presentationId, pageId) {
   console.log(
     `Created slide with ID: ${result.data.replies[0].createSlide.objectId}`,
   );
-  return res;
+  return result;
 }
 // [END slides_create_slide]
 
diff --git a/slides/snippets/test/test_slides_refresh_sheets_chart.js b/slides/snippets/test/test_slides_refresh_sheets_chart.js
index cf0bd6af..773c33e6 100644
--- a/slides/snippets/test/test_slides_refresh_sheets_chart.js
+++ b/slides/snippets/test/test_slides_refresh_sheets_chart.js
@@ -1,18 +1,18 @@
-// /**
-// * Copyright 2022 Google LLC
-// *
-// * Licensed under the Apache License, Version 2.0 (the "License");
-// * you may not use this file except in compliance with the License.
-// * You may obtain a copy of the License at
-// *
-// *     https://www.apache.org/licenses/LICENSE-2.0
-// *
-// * Unless required by applicable law or agreed to in writing, software
-// * distributed under the License is distributed on an "AS IS" BASIS,
-// * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// * See the License for the specific language governing permissions and
-// * limitations under the License.
-// */
+/**
+ * Copyright 2022 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 import {expect} from 'expect';
 import {refreshSheetsChart} from '../slides_refresh_sheets_chart.js';
 import {Helpers} from './helpers.js';