diff --git a/COLLABORATOR_GUIDE.md b/COLLABORATOR_GUIDE.md
index dd72b48582d849..f8d3629eaf6721 100644
--- a/COLLABORATOR_GUIDE.md
+++ b/COLLABORATOR_GUIDE.md
@@ -603,17 +603,15 @@ like this:
 To https://github.com/nodejs/node
  ! [rejected]              master -> master (fetch first)
 error: failed to push some refs to 'https://github.com/nodejs/node'
-hint: Updates were rejected because the remote contains work that you do
-hint: not have locally. This is usually caused by another repository pushing
-hint: to the same ref. You may want to first integrate the remote changes
-hint: (e.g. 'git pull ...') before pushing again.
+hint: Updates were rejected because the tip of your current branch is behind
+hint: its remote counterpart. Integrate the remote changes (e.g.
+hint: 'git pull ...') before pushing again.
 hint: See the 'Note about fast-forwards' in 'git push --help' for details.
 ```
 
 That means a commit has landed since your last rebase against `upstream/master`.
-To fix this, pull with rebase from upstream and run the tests again (to make
-sure no interactions between your changes and the new changes cause any
-problems), and push again:
+To fix this, pull with rebase from upstream, run the tests again, and (if the
+tests pass) push again:
 
 ```sh
 git pull upstream master --rebase