docs(CONTRIBUTING.md): about multiple words (#4080)

Author: rbalet

CONTRIBUTING.md

@@ -11,7 +11,8 @@ Please feel free to contribute to this project.
 
 ## Proposing Words
 
-If you have a word you believe belongs in a dictionary, send a pull request.
-For words associated with a particular programming language / environment, they should go in the appropriate dictionary under `dictionaries/<language>/src/<language>.txt`(s).
-For general-purpose words, put them in the closest appropriate `dictionaries/<general-area>`(s).
-See the `README.md` files in those directories for more information.
+- If you have a word you believe belongs in a dictionary, send a pull request.
+- For words associated with a particular programming language / environment, they should go in the appropriate dictionary under `dictionaries/<language>/src/<language>.txt`(s).
+- It is okey to add multiple words in one Pull request, as long as they are related _(same dictionary or concept)_
+- For general-purpose words, put them in the closest appropriate `dictionaries/<general-area>`(s).
+- See the `README.md` files in those directories for more information.