git commit --amend -m "New commit message"
git commit --amend --no-edit
git checkout branch_name
git commit --amend -m "Modified message"
# if previous commit is not pushed yet
git push
# or if previous comment was pushed in a previous commit:
git push --force-with-lease branch_name
git commit --amend -m "New commit message for most recent commit"
git commit --amend -m "New message"
git commit --amend -m 'commit message'
git commit --amend -m "changing commit message"