diff --git a/docs/swarm/how-swarm-mode-works/menu.md b/docs/swarm/how-swarm-mode-works/menu.md
index fc8b45e3fa..c83b74b53a 100644
--- a/docs/swarm/how-swarm-mode-works/menu.md
+++ b/docs/swarm/how-swarm-mode-works/menu.md
@@ -16,3 +16,4 @@ weight=11
 
 * [How nodes work](nodes.md)
 * [How services work](services.md)
+* [How PKI works](pki.md)