$ git commit --amend -m "New and correct message"

$ git commit --amend -m "New and correct message"

git add <my fixed files>
git commit --fixup=OLDCOMMIT
git rebase --interactive --autosquash OLDCOMMIT^

git rebase -i @~9 # Show the last 9 commits in a text editor
# Here you can change the one you want to change from `pick` to `e` or `edit`
# After that you can either ammend it to change the message:
git commit --amend # or you can reset the changes and commit it again: `git reset @~`
# When all the changes are made, rebase it
git rebase --continue

git commit --amend -m "new commit message"
$ git push --force-with-lease branch-name

{"tags":[{"tag":"p","content":"For example, if your commit history is A-B-C-D-E-F with F as HEAD, and you want to change the author of C and D, then you would..."},{"tag":"p","content":"Specify git rebase -i B (here is an example of what you will see after executing the git rebase -i B command)"},{"tag":"p","content":"if you need to edit A, use git rebase -i --root"},{"tag":"p","content":"Change the lines for both C and D from pick to edit"},{"tag":"p","content":"Exit the editor (for vim, this would be pressing Esc and then typing :wq)."},{"tag":"p","content":"Once the rebase started, it would first pause at C"},{"tag":"p","content":"You would git commit --amend --author=\"Author Name <[email protected]>\"</[email protected]>"},{"tag":"p","content":"Then git rebase --continue"},{"tag":"p","content":"It would pause again at D"},{"tag":"p","content":"Then you would git commit --amend --author=\"Author Name <[email protected]>\" again</[email protected]>"},{"tag":"p","content":"git rebase --continue"},{"tag":"p","content":"The rebase would complete."},{"tag":"p","content":"Use git push -f to update your origin with the updated commits."}]}