diff --git a/docfx.json b/docfx.json
index 60a55f6c18d83..472a98d6cb481 100644
--- a/docfx.json
+++ b/docfx.json
@@ -242,7 +242,7 @@
         "**/com.microsoft.azure.batch**.yml": "batch",
         "**/com.microsoft.azure.cosmosdb**.yml": "cosmos-db",
         "**/com.microsoft.azure.datalake.store**.yml": "data-lake-store",
-        "**/com.azure.iot.deviceupdate**.yml": "iot-hub-device-update",
+        "**/com.azure.iot.deviceupdate**.yml": "iot-hub",
         "**/com.microsoft.azure.documentdb**.yml": "cosmos-db",
         "**/com.microsoft.azure.elasticdb**.yml": "sql-database",
         "**/com.microsoft.azure.eventgrid**.yml": "event-grid",
@@ -313,6 +313,9 @@
         "**/system.fabric**.yml": "service-fabric",
         "**/tools.com.microsoft.azure.sdk.iot**.yml": "iot-hub"
       },
+      "ms.subservice": {
+        "**/com.azure.iot.deviceupdate**.yml": "device-update-for-iot-hub"
+      },
       "searchScope": {
         "**/com.microsoft.azure.cosmosdb**.yml": [ "Azure Cosmos DB", "Azure", "Azure Java" ],
         "**/com.microsoft.azure.documentdb**.yml": [ "Azure Cosmos DB", "Azure", "Azure Java" ],