Changing the most recent commit in a Git repository can be done for various reasons, such as correcting a mistake, adding more changes, or rephrasing the commit message.

However, it's important to note that changing the most recent commit can cause problems if you have already pushed the commit to a remote repository and others have based their work on it. Therefore, be cautious when making such changes.

Execute the following command to modify the message of the most recent commit:

git commit --amend -m "update and improve some code"

Before modifying the commit message, you can also include any other changes you may have previously overlooked.

git add .
git commit --amend -m "update and improve some code"

If you haven't pushed the commit to a remote repository yet, you can simply continue with your work. However, if you've already pushed the commit and want to update it in the remote repository, you may need to force-push, which can overwrite history and cause issues for collaborators. Be cautious when force-pushing and make sure your collaborators are aware.

git push --force origin branch-name