diff --git a/two-data-centers-in-one-city-deployment.md b/two-data-centers-in-one-city-deployment.md
index de4aa49a956e..464644073dc8 100644
--- a/two-data-centers-in-one-city-deployment.md
+++ b/two-data-centers-in-one-city-deployment.md
@@ -123,7 +123,7 @@ cat rule.json
       },
       {
         "group_id": "pd",
-        "id": "az-west",
+        "id": "az-west-1",
         "start_key": "",
         "end_key": "",
         "role": "follower",
@@ -145,7 +145,7 @@ cat rule.json
       },
       {
         "group_id": "pd",
-        "id": "az-west",
+        "id": "az-west-2",
         "start_key": "",
         "end_key": "",
         "role": "learner",