diff --git a/doc/source/gerrit.rst b/doc/source/gerrit.rst
index 3445f98789..01d5250451 100644
--- a/doc/source/gerrit.rst
+++ b/doc/source/gerrit.rst
@@ -303,7 +303,7 @@ To rename a project:
 #. Gracefully stop Zuul on zuul.openstack.org::
 
      sudo kill -USR1 $(cat /var/run/zuul/zuul.pid)
-     rm -f /var/run/zuul/zuul.pid
+     rm -f /var/run/zuul/zuul.pid /var/run/zuul/zuul.lock
 
 #. Stop Gerrit on review.openstack.org::