Update OSX codeintel instructions

plugins/c9.ide.language.codeintel/README.md

@@ -79,9 +79,11 @@ and work out of the box.
    sudo pip install virtualenv
    ```
 
-2. That's it! Cloud9 should be able to install the stock CodeIntel 0.9.3
-   based on this config. On OSX it is not necessary to follow the steps above
-   to patch the package before installing it.
+2. Install CodeIntel 0.9.3
+
+   ```
+   pip install codeintel==0.9.3
+   ```
 
 3. Reload Cloud9.