You can edit files directly on GitHub Enterprise in any of your repositories using the Ace editor.

  1. In your repository, browse to the file you want to edit.
  2. In the upper right corner of the file view, click to open the file editor. Edit file button
  3. Make any changes you need to the file. New content in file

  4. Above the new content, click Preview. File preview button

  5. At the bottom of the page, under "Commit changes", type a short, meaningful commit message. Commit message

  6. Click Commit changes. Commit changes button

Further reading