Update README.md

Updated readme to indicate that polite emoticons/ascii art are allowed in addition to the contributor name.

README.md

@@ -143,7 +143,7 @@ git switch -c add-alonzo-church
 
 ## Make necessary changes and commit those changes
 
-Now open `Contributors.md` file in a text editor, add your name to it. Don't add it at the beginning or end of the file. Put it anywhere in between. Now, save the file.
+Now open `Contributors.md` file in a text editor, add your name to it. You may also add a (polite) emoticon or ascii art, if desired. Don't add to the beginning or end of the file. Put it anywhere in between. Now, save the file.
 
 <img align="right" width="450" src="https://firstcontributions.github.io/assets/Readme/git-status.png" alt="git status" />