Fix link to non-existent file

Signed-off-by: Misty Stanley-Jones <misty@docker.com>
(cherry picked from commit ca04f02d7655e7306c7c0cde6fa1895a14f0a673)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

docs/reference/commandline/swarm_leave.md

@@ -45,7 +45,7 @@ To remove `worker2`, issue the following command from `worker2` itself:
 $ docker swarm leave
 Node left the default swarm.
 ```
-To remove an inactive node, use the [`node rm`](swarm_rm.md) command instead.
+To remove an inactive node, use the [`node rm`](node_rm.md) command instead.
 
 ## Related information