diff --git a/docker/routlin-dash/app/pages/networklayout/content.json b/docker/routlin-dash/app/pages/networklayout/content.json
index c35950f..165891f 100644
--- a/docker/routlin-dash/app/pages/networklayout/content.json
+++ b/docker/routlin-dash/app/pages/networklayout/content.json
@@ -241,7 +241,7 @@
                   "input_type": "text",
                   "validate": "networkname",
                   "value": "lan",
-                  "hint": "Local domain name advertised to clients via DHCP (e.g. lan, home.arpa, corp)."
+                  "hint": "Local domain name advertised to clients via DHCP (e.g. lan, home.arpa, corp). Avoid \"local\" per RFC 6762."
                 }
               ]
             },