diff --git a/doc/guides/collaborator-guide.md b/doc/guides/collaborator-guide.md
index 3ce33be392915c..dd4f6e853e41c8 100644
--- a/doc/guides/collaborator-guide.md
+++ b/doc/guides/collaborator-guide.md
@@ -184,8 +184,8 @@ delay. For example:
   * Regressions that break the workflow (red CI or broken compilation).
   * Regressions that happen right before a release, or reported soon after.
 
-To propose fast-tracking a pull request, apply the `fast-track` label. Then add
-a comment that collaborators can upvote.
+To propose fast-tracking a pull request, apply the `fast-track` label. Then a
+GitHub Action will add a comment that collaborators can upvote.
 
 If someone disagrees with the fast-tracking request, remove the label. Do not
 fast-track the pull request in that case.