Do the following:
git checkout pos-selectors
git checkout -b pos-selectors_4
git rebase -i HEAD~5
(this will initiate a mechanism to combine your commits;
at the top of screen, keep pick on the first line, but on lines 2-5, change ‘pick’ to squash;
now save/exit text editor;
now create/modify the comments for your new combined commit;
now save/exit text editor;
now check out your git log on this branch and note all of your commits have now been integrated into one commit)
git push origin pos-selectors_4