Fixes feature flag used in generating the docs in the README

Michael-J-Ward · Michael-J-Ward · commit 252bbddbd1a3 · 2019-10-05T11:37:59.000-05:00
diff --git a/README.md b/README.md
@@ -111,7 +111,7 @@ git clone git@github.com:async-rs/async-std.git && cd async-std
 Generate docs:
 
 ```
-cargo doc --features docs.rs --open
+cargo doc --features docs --open
 ```
 
 Check out the [examples](examples). To run an example:
