diff --git a/container-ports.md b/container-ports.md
index 3506ce0..3efb0cd 100644
--- a/container-ports.md
+++ b/container-ports.md
@@ -1,7 +1,7 @@
 # Ports used by container web services
 
 | Port | Ansible role | Service name           |
-|------|----------------------------------------
+|------|--------------|------------------------|
 | 8001 | kerberos_kdc | Kerberos KDC           |
 | 8002 | grafana      | Grafana                |
 | 8003 | authcheck    | Authentication check   |