Note: I use ssh keys with git instead of https.
1. Clone your fork:
git clone firstname.lastname@example.org:YOUR-USERNAME/YOUR-FORKED-REPO.git
2. Add remote from original repository in your forked repository:
cd into/cloned/fork-repo git remote add upstream email@example.com:ORIGINAL-DEV-USERNAME/REPO-YOU-FORKED-FROM.git git fetch upstream
3. Updating your fork from original repo to keep up with their changes:
git pull upstream master
4. Updating your remote fork from original repo, on GitHub: