Updated volume binding info

README.md

@@ -139,9 +139,10 @@ Then, open `PHPStorm > Preferences > Languages & Frameworks > PHP` and configure
 	- Hitting the reload executable button should find the correct PHP Version and Xdebug debugger configuration.
 
 - `Path mappings`:
-	- Don't do anything here as the next `Docker container` step will automatically setup a path bunding from `/var/www/html` to `./src`.
+	- Don't do anything here as the next `Docker container` step will automatically setup a path mapping from `/var/www/html` to `./src`.
 
 - `Docker container`:
+	- Remove any pre-existing volume bindings.
 	- Ensure a volume binding has been setup for Container path of `/var/www/html` mapped to the Host path of `./src`.
 
 Open `PHPStorm > Preferences > Languages & Frameworks > PHP > Debug` and set Debug Port to `9001`.