It’s basically 4 step process. But a bit risky if multiple team member are working on the same branch and have their own copies. (If you are the only one working on it, go for it)
This git manual explains it beautifully: Amending older or multiple commit messages
git rebase -i HEAD~X(X=No of commit messages you want to change)- Above command will open git file in editor. There replace text ‘pick’ with ‘reword’ and save the file.
- It will open editor for every commit one by one, there you again change the commit message.
- At the end:
git push -f