diff --git a/google/cloud/dialogflow/v2/webhook.proto b/google/cloud/dialogflow/v2/webhook.proto
index 509649a7..19f529ae 100644
--- a/google/cloud/dialogflow/v2/webhook.proto
+++ b/google/cloud/dialogflow/v2/webhook.proto
@@ -138,8 +138,8 @@ message OriginalDetectIntentRequest {
   //    "caller_id": "+18558363987"
   //  }
   // }</pre>
-  // Note: The caller ID field (`caller_id`) will be redacted for Standard
+  // Note: The caller ID field (`caller_id`) will be redacted for Trial
   // Edition agents and populated with the caller ID in [E.164
-  // format](https://en.wikipedia.org/wiki/E.164) for Enterprise Edition agents.
+  // format](https://en.wikipedia.org/wiki/E.164) for Essentials Edition agents.
   google.protobuf.Struct payload = 3;
 }