diff --git a/envoy/extensions/filters/network/dubbo_proxy/v3/route.proto b/envoy/extensions/filters/network/dubbo_proxy/v3/route.proto
index f06518c0..e255985e 100644
--- a/envoy/extensions/filters/network/dubbo_proxy/v3/route.proto
+++ b/envoy/extensions/filters/network/dubbo_proxy/v3/route.proto
@@ -26,7 +26,15 @@ message RouteConfiguration {
   // The name of the route configuration. Reserved for future use in asynchronous route discovery.
   string name = 1;
 
-  // The interface name of the service.
+  // The interface name of the service. Wildcard interface are supported in the suffix or prefix form.
+  // e.g. ``*.methods.add`` will match ``com.dev.methods.add``, ``com.prod.methods.add``, etc.
+  // ``com.dev.methods.*`` will match ``com.dev.methods.add``, ``com.dev.methods.update``, etc.
+  // Special wildcard ``*`` matching any interface.
+  //
+  // .. note::
+  //
+  //  The wildcard will not match the empty string.
+  //  e.g. ``*.methods.add`` will match ``com.dev.methods.add`` but not ``.methods.add``.
   string interface = 2;
 
   // Which group does the interface belong to.
diff --git a/envoy/extensions/filters/network/dubbo_proxy/v4alpha/route.proto b/envoy/extensions/filters/network/dubbo_proxy/v4alpha/route.proto
index c2ff03b3..d6314279 100644
--- a/envoy/extensions/filters/network/dubbo_proxy/v4alpha/route.proto
+++ b/envoy/extensions/filters/network/dubbo_proxy/v4alpha/route.proto
@@ -26,7 +26,15 @@ message RouteConfiguration {
   // The name of the route configuration. Reserved for future use in asynchronous route discovery.
   string name = 1;
 
-  // The interface name of the service.
+  // The interface name of the service. Wildcard interface are supported in the suffix or prefix form.
+  // e.g. ``*.methods.add`` will match ``com.dev.methods.add``, ``com.prod.methods.add``, etc.
+  // ``com.dev.methods.*`` will match ``com.dev.methods.add``, ``com.dev.methods.update``, etc.
+  // Special wildcard ``*`` matching any interface.
+  //
+  // .. note::
+  //
+  //  The wildcard will not match the empty string.
+  //  e.g. ``*.methods.add`` will match ``com.dev.methods.add`` but not ``.methods.add``.
   string interface = 2;
 
   // Which group does the interface belong to.