diff --git a/packages/agent_dart_base/lib/agent/crypto/index.dart b/packages/agent_dart_base/lib/agent/crypto/index.dart
index 16232677..dc11be9a 100644
--- a/packages/agent_dart_base/lib/agent/crypto/index.dart
+++ b/packages/agent_dart_base/lib/agent/crypto/index.dart
@@ -1,2 +1,3 @@
+/// Documents packages/agent_dart_base/lib/agent/crypto/index.dart module purpose, public surface, and usage context
 export 'keystore/key_store.dart';
 export 'random.dart';