Board Thread:News and Announcements/@comment-25669516-20180402195236/@comment-25669516-20180404131338

Thread Edits will specifically point you to the number of edits you have made on Message Walls (your's or others'). Board Thread Edits are contributions made on Forum threads.

Actually, good you asked this question. I forgot to include the talk namespace (comments on articles). That too is important for a Discussion mod. I've updated the post now :)