diff --git a/manuscript/ha-docker-swarm/traefik.md b/manuscript/ha-docker-swarm/traefik.md
index 7e90205..d366f6d 100644
--- a/manuscript/ha-docker-swarm/traefik.md
+++ b/manuscript/ha-docker-swarm/traefik.md
@@ -13,7 +13,7 @@ To deal with these gaps, we need a front-end load-balancer, and in this design,
 
 ## Ingredients
 
-1. [Docker swarm cluster](/ha-docker-swarm/design/) with [persistent shared storage](/ha-docker-swarm/shared-storage-ceph.md)
+1. [Docker swarm cluster](/ha-docker-swarm/design/) with [persistent shared storage](/ha-docker-swarm/shared-storage-ceph)
 
 ## Preparation