Using the Github UI to Make Pull Requests
From Joomla! Documentation
Github has a simple web interface that makes it very easy to propose a simple change to code. You do not need to install any software or do anything beside register for a git hub account.
Identify a change you want to make.[edit]
Find the file you want to modify on Github[edit]
Click Edit to open the file[edit]
Make your change[edit]
Scroll down and click the Propose file change button (add a note if you want).[edit]
Fill in any additional information in the pull request including a reference to the joomlacode issue.[edit]
Click Send pull request.[edit]
Make a note in the joomlacode issue with a link to the pull request.[edit]
