Forgot to sign-off commits?

README.md

No problem,

run

git filter-branch --msg-filter "cat - && echo && echo 'Signed-off-by: Your Name <[email protected]>'" HEAD~2..HEAD

To sign-off the last two commits.

Then force to push them to the remote repo with the -f option:

git push -f origin

(Source: http://stackoverflow.com/questions/13043357/git-sign-off-previous-commits)