diff --git a/apps/emqx_dashboard/src/emqx_dashboard_schema.erl b/apps/emqx_dashboard/src/emqx_dashboard_schema.erl
index 72c0ecc57..93e1500e1 100644
--- a/apps/emqx_dashboard/src/emqx_dashboard_schema.erl
+++ b/apps/emqx_dashboard/src/emqx_dashboard_schema.erl
@@ -147,6 +147,8 @@ fields("https") ->
 
 desc("dashboard") ->
     "Configuration for EMQX dashboard.";
+desc("listeners") ->
+    "Configuration for the dashboard listener.";
 desc("http") ->
     "Configuration for the dashboard listener (plaintext).";
 desc("https") ->