incorrect compare branch for pull request in getting started

issue 2 of github-slideshow, step 6, create a pull request step 2 says to select

refs/heads/issue-2

but it is really just

issue-2

in the dropdown.

HI @mmerlin,

Thank you for being here! We’re always working to improve GitHub. We appreciate the feedback. I’ll pass it along to the appropriate teams!

Best,

Andrea