diff --git a/doc/onboarding.md b/doc/onboarding.md
index 99fbc61935..f75a263741 100644
--- a/doc/onboarding.md
+++ b/doc/onboarding.md
@@ -169,6 +169,7 @@ Landing a PR
     * `Reviewed-By: human <email>`
       * Easiest to use `git log` then do a search
       * (`/Name` + `enter` (+ `n` as much as you need to) in vim)
+      * Only include collaborators who have commented "LGTM"
     * `PR-URL: <full-pr-url>`
 * `git push upstream master`
     * close the original PR with "Landed in `<commit hash>`".