How to rename a Git branch
Supposedly you have misspell your branch name "my_nise_branch"
and you want to rename it to "my_nice_branch"
Rename the branch locally
$ git branch -m my_nise_branch my_nice_branch
In case your branch is already pushed remotely you should delete and push the new branch remotely
Delete the old branch
$ git push origin :my_nise_branch
Push the new branch to remote and track it
$ git push --set-upstream origin my_nice_branch