diff --git a/transport/http2_client.go b/transport/http2_client.go
index bda42085..87467cbb 100644
--- a/transport/http2_client.go
+++ b/transport/http2_client.go
@@ -91,7 +91,7 @@ type http2Client struct {
 	activeStreams map[uint32]*Stream
 	// The max number of concurrent streams
 	maxStreams uint32
-	// The accumulated inbound quota pending for updating the peer.
+	// The accumulated inbound quota pending for window update.
 	updateQuota uint32
 	// the per-stream outbound flow control window size set by the peer.
 	streamSendQuota uint32
diff --git a/transport/http2_server.go b/transport/http2_server.go
index 7da2db43..1609ac83 100644
--- a/transport/http2_server.go
+++ b/transport/http2_server.go
@@ -83,7 +83,7 @@ type http2Server struct {
 	mu            sync.Mutex // guard the following
 	state         transportState
 	activeStreams map[uint32]*Stream
-	// The accumulated inbound quota pending for updating the peer.
+	// The accumulated inbound quota pending for window update.
 	updateQuota uint32
 	// the per-stream outbound flow control window size set by the peer.
 	streamSendQuota uint32
diff --git a/transport/transport.go b/transport/transport.go
index 34b22975..56b31b87 100644
--- a/transport/transport.go
+++ b/transport/transport.go
@@ -175,7 +175,7 @@ type Stream struct {
 
 	// The inbound quota being set
 	recvQuota uint32
-	// The accumulated inbound quota pending for updating the peer.
+	// The accumulated inbound quota pending for window update.
 	updateQuota uint32
 	// The handler to control the window update procedure for both this
 	// particular stream and the associated transport.