diff --git a/test/e2e/bcd_consumer_integration/clientcontroller/babylon/babylon.go b/test/e2e/bcd_consumer_integration/clientcontroller/babylon/babylon.go
index 69e754e4a..56e5e6fbb 100644
--- a/test/e2e/bcd_consumer_integration/clientcontroller/babylon/babylon.go
+++ b/test/e2e/bcd_consumer_integration/clientcontroller/babylon/babylon.go
@@ -1,3 +1,11 @@
+// Package clientcontroller/babylon wraps the Babylon RPC/gRPC client for easy interaction with a Babylon node.
+// It simplifies querying and submitting transactions.
+
+// Core Babylon RPC/gRPC client lives under https://github.com/babylonlabs-io/babylon/tree/main/client/client
+
+// Clientcontroller is adapted from:
+// https://github.com/babylonlabs-io/finality-provider/blob/base/consumer-chain-support/clientcontroller/babylon/babylon.go
+
 package babylon
 
 import (
diff --git a/test/e2e/bcd_consumer_integration/clientcontroller/cosmwasm/cosmwasm.go b/test/e2e/bcd_consumer_integration/clientcontroller/cosmwasm/cosmwasm.go
index ce754580f..3b31a9058 100644
--- a/test/e2e/bcd_consumer_integration/clientcontroller/cosmwasm/cosmwasm.go
+++ b/test/e2e/bcd_consumer_integration/clientcontroller/cosmwasm/cosmwasm.go
@@ -1,3 +1,11 @@
+// Package clientcontroller/cosmwasm wraps the CosmWasm RPC/gRPC client for easy interaction with a Wasm enabled node.
+// It simplifies querying and submitting transactions to Babylon SDK node (bcd)
+
+// Core CosmWasm RPC/gRPC client lives under https://github.com/babylonlabs-io/cosmwasm-client
+
+// Clientcontroller is adapted from:
+// https://github.com/babylonlabs-io/finality-provider/blob/base/consumer-chain-support/clientcontroller/cosmwasm/consumer.go
+
 package cosmwasm
 
 import (