CommitMessage: do not use "Co-authored-by" and "Assisted-by" lines Mention that we don't use "Co-authored-by` and "Assisted-by" lines, similar to not using "Signed-off-by" lines. Change-Id: I47f9c80e2dce532f04b8a265859bb415d589d0f0 Reviewed-on: https://go-review.googlesource.com/c/wiki/+/840345 Reviewed-by: David Chase <drchase@google.com> Reviewed-by: t hepudds <thepudds1460@gmail.com> Commit-Queue: Cherry Mui <cherryyz@google.com>

diff --git a/CommitMessage.md b/CommitMessage.md
index b0b4951..9df808c 100644
--- a/CommitMessage.md
+++ b/CommitMessage.md

@@ -26,6 +26,7 @@
 - the Fixes line goes after the body with a blank newline separating the two. (It is acceptable but not required to use a trailing period, such as `Fixes #12345.`).
 - there is **no** Markdown in the commit message.
 - we **do not** use `Signed-off-by` lines. Don't add them. Our Gerrit server & GitHub bots enforce CLA compliance instead.
+- similarly, we **do not** use `Co-authored-by` and `Assisted-by` lines. Don't add them.
 - when referencing CLs, prefer saying "CL nnn" or using a go.dev/cl/nnn shortlink over a direct Gerrit URL or git hash, since that's more future-proof.
 - when moving code between repos, include the CL, repository name, and git hash that it was moved from/to, so it is easier to trace history/blame.