Updated CommitMessage (markdown)
diff --git a/CommitMessage.md b/CommitMessage.md
index 70c4aec..89c03d4 100644
--- a/CommitMessage.md
+++ b/CommitMessage.md
@@ -17,6 +17,7 @@
* keep the subject (first line) as short as possible. ideally under 76 characters or shorter.
* keep the body wrapped too, also max 76, unless it's really needed (ASCII art, table, or long link)
* no Markdown
+* we **do not** use `Signed-off-by` lines in Go. Please don't add them. Our Gerrit server & GitHub bots enforce CLA compliance instead.
If it's not a complete fix and more is coming, use:
