diff --git a/source/unified-test-format/tests/valid-pass/expectedEventsForClient-topologyDescriptionChangedEvent.json b/source/unified-test-format/tests/valid-pass/expectedEventsForClient-topologyDescriptionChangedEvent.json
index b2a9915bc3..4f4b017ad4 100644
--- a/source/unified-test-format/tests/valid-pass/expectedEventsForClient-topologyDescriptionChangedEvent.json
+++ b/source/unified-test-format/tests/valid-pass/expectedEventsForClient-topologyDescriptionChangedEvent.json
@@ -1,5 +1,5 @@
 {
-  "description": "expectedEventsForClient-topologyDescriptionChangedEvent.yml",
+  "description": "expectedEventsForClient-topologyDescriptionChangedEvent",
   "schemaVersion": "1.20",
   "runOnRequirements": [
     {
@@ -51,12 +51,13 @@
               "topologyOpeningEvent": {}
             },
             {
-              "topologyDescriptionChangedEvent": null,
-              "previousDescription": {
-                "type": "Unknown"
-              },
-              "newDescription": {
-                "type": "ReplicaSetWithPrimary"
+              "topologyDescriptionChangedEvent": {
+                "previousDescription": {
+                  "type": "Unknown"
+                },
+                "newDescription": {
+                  "type": "ReplicaSetWithPrimary"
+                }
               }
             }
           ]
diff --git a/source/unified-test-format/tests/valid-pass/expectedEventsForClient-topologyDescriptionChangedEvent.yml b/source/unified-test-format/tests/valid-pass/expectedEventsForClient-topologyDescriptionChangedEvent.yml
index f742e0bdb4..ef7454d135 100644
--- a/source/unified-test-format/tests/valid-pass/expectedEventsForClient-topologyDescriptionChangedEvent.yml
+++ b/source/unified-test-format/tests/valid-pass/expectedEventsForClient-topologyDescriptionChangedEvent.yml
@@ -34,8 +34,8 @@ tests:
         events:
           - topologyOpeningEvent: {}
           - topologyDescriptionChangedEvent: 
-            previousDescription:
-              type: "Unknown"
-            newDescription:
-              type: "ReplicaSetWithPrimary"
+              previousDescription:
+                type: "Unknown"
+              newDescription:
+                type: "ReplicaSetWithPrimary"