If you frequently add the same comment over and over, you can create a saved reply.
In the upper-right corner of any page, click your profile photo, then click Settings.
In the left sidebar, click Saved replies.
Under "Add a saved reply", add your saved reply title.
In the "Write" field, add the content you'd like to use for the saved reply. For more information on writing on GitHub Enterprise, see "Basic writing and formatting syntax."
To review your reply, click Preview.
Click Add saved reply.