Updated documentation

Author: payne911

README.md

@@ -1,7 +1,7 @@
 # Useful Forks
 Chrome extension, adding a sorted list of starred forks to the GitHub forks page. Results are filtered out if there were never any commits pushed since the fork was created.
 
-Not published, if you want to install it, enable developer mode in `chrome://extensions` and load the `project` folder as an unpacked extension.
+Not published, if you want to install it, enable `Developer mode` (switch at the top-right) at the `chrome://extensions` URL and load the `project` folder as an unpacked extension (`Load unpacked` button at the top-left).
 
 You should change the [script file](project/useful_forks.js) so that it includes your GitHub username and an [Access Token](https://github.com/settings/tokens/new?scopes=repo&description=UsefulFork).