Update README.md

Author: jcs090218

README.md

@@ -17,7 +17,7 @@
 ## 🛠️ Contribute
 
 [![PRs Welcome](https://img.shields.io/badge/PRs-welcome-brightgreen.svg)](http://makeapullrequest.com)
-[![Elisp styleguide](https://img.shields.io/badge/elisp-style%20guide-purple)](https://github.com/bbatsov/emacs-lisp-style-guide)
+[![Elisp styleguide](https://img.shields.io/badge/elisp-style%20guide-purple?logo=gnuemacs&logoColor=white)](https://github.com/bbatsov/emacs-lisp-style-guide)
 
 If you would like to contribute to this project, you may either
 clone and make pull requests to this repository. Or you can