Change command to avoid editing commit message

README.md

@@ -133,10 +133,11 @@ In order to remove a file from a commit, do the following:
 ```sh
 $ git checkout HEAD^ myfile
 $ git add myfile
-$ git commit --amend
+$ git commit --amend --no-edit
 ```
 
 This is particularly useful when you have an open patch and you have committed an unnecessary file, and need to force push to update the patch on a remote.
+`--no-edit` option is used to keep the existing commit message.
 
 <a name="delete-pushed-commit"></a>
 ### I want to delete or remove my last commit