Update readme to reflect naming convention

Author: KenwoodFox

README.md

@@ -4,5 +4,6 @@ A repo for adding in your example python code to assist or impress others! :3
 Rules for adding:
     Please first create your own branch, then create a pull request from your branch, into the master branch, you can request reviews from certain people, but this is not necessary, people will review your pull request ASAP.
 
-File Structure:
-	Please arrange your CodeHS examples nested in folders based off unit, so for example, lesson number `3.4.5` would be `/CodeHS/3/4/5/my_python_program.py`
+File Structure And naming convention:
+	`/CodeHS/<num>/<num>/<num>/<name_of_unit>-<your_name>.py`
+	Please arrange your CodeHS examples nested in folders based off unit, so for example, lesson number `3.4.5` would be `/CodeHS/3/4/5/my_python_program-Jeff.py`