Here's what I currently use. The triple comment ( / * / * / * ) is for an integration that picks out header comments from the object definition.
/*/*/*
Name: pr_ProcName
Author: Joe Smith
Written: 6/15/16
Purpose: Short description about the proc.
Edit History: 6/15/16 - Joe Smith
+ Initial creation.
6/22/16 - Jaden Smith
+ Change source to blahblah
+ Optimized JOIN
6/30/16 - Joe Smith
+ Reverted changes made by Jaden.
*/*/*/