amend a commit code example

Example 1: amend last commit message

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

Example 2: git amend last commit message

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

Example 3: amend commit

git commit --amend -m "an updated commit message"

Example 4: add change to last commit

$ (some_branch) git commit --amend