Update file-operations readme

Author: rjLelis

file-operations/README.md

@@ -2,8 +2,8 @@
 
 A lab to some file operations
 
-* `file-encrypt` -> cli that encrypts a file using the caesar cipher
+* `file-encrypt` -> CLI that encrypts a file using the caesar cipher
 
-* 
+* `file_utils.py` -> Some helping functions such as write/read files
 
 #### Obs: unidecode must be installed in order to `file-encrypt.py` to work, install it from the `requirements.txt`