diff --git a/specification/network/resource-manager/Microsoft.Network/stable/2019-09-01/networkWatcher.json b/specification/network/resource-manager/Microsoft.Network/stable/2019-09-01/networkWatcher.json
index eff7a22af661..e83162342f16 100644
--- a/specification/network/resource-manager/Microsoft.Network/stable/2019-09-01/networkWatcher.json
+++ b/specification/network/resource-manager/Microsoft.Network/stable/2019-09-01/networkWatcher.json
@@ -2922,7 +2922,7 @@
         },
         "destinationPort": {
           "type": "string",
-          "description": "Traffic destination port. Accepted values are '*', port (for example, 3389) and port range (for example, 80-100)."
+          "description": "Traffic destination port. Accepted values are '*' and a single port in the range (0 - 65535)."
         }
       }
     },