diff --git a/packages/agent_dart_base/lib/agent/agent/http/transform.dart b/packages/agent_dart_base/lib/agent/agent/http/transform.dart
index 562e1ee6..db05ad34 100644
--- a/packages/agent_dart_base/lib/agent/agent/http/transform.dart
+++ b/packages/agent_dart_base/lib/agent/agent/http/transform.dart
@@ -1,3 +1,4 @@
+/// Documents packages/agent_dart_base/lib/agent/agent/http/transform.dart module purpose, public surface, and usage context
 import 'dart:typed_data';
 
 import 'package:cbor/cbor.dart' as cbor;