diff --git a/specification/network/resource-manager/Microsoft.Network/stable/2019-07-01/networkWatcher.json b/specification/network/resource-manager/Microsoft.Network/stable/2019-07-01/networkWatcher.json
index 3237af5812e5..91b3e57a1996 100644
--- a/specification/network/resource-manager/Microsoft.Network/stable/2019-07-01/networkWatcher.json
+++ b/specification/network/resource-manager/Microsoft.Network/stable/2019-07-01/networkWatcher.json
@@ -1895,7 +1895,7 @@
           "NetworkWatchers"
         ],
         "operationId": "NetworkWatchers_GetNetworkConfigurationDiagnostic",
-        "description": "Get network configuration diagnostic.",
+        "description": "Gets Network Configuration Diagnostic data to help customers understand and debug network behavior. It provides detailed information on what security rules were applied to a specified traffic flow and the result of evaluating these rules. Customers must provide details of a flow like source, destination, protocol, etc. The API returns whether traffic was allowed or denied, the rules evaluated for the specified flow and the evaluation results.",
         "parameters": [
           {
             "name": "resourceGroupName",