diff --git a/go/vt/proto/vtctldata/vtctldata.pb.go b/go/vt/proto/vtctldata/vtctldata.pb.go
index 5b94daed543..aaf0093426b 100644
--- a/go/vt/proto/vtctldata/vtctldata.pb.go
+++ b/go/vt/proto/vtctldata/vtctldata.pb.go
@@ -12390,7 +12390,8 @@ type VDiffCreateResponse struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	// Intentionally upper case to maintain compatibility with vtctlclient.
+	// Intentionally upper case to maintain compatibility with
+	// vtctlclient and other VDiff client command output.
 	UUID string `protobuf:"bytes,1,opt,name=UUID,proto3" json:"UUID,omitempty"`
 }
 
diff --git a/proto/vtctldata.proto b/proto/vtctldata.proto
index 3eea3f9223d..60a768c9278 100644
--- a/proto/vtctldata.proto
+++ b/proto/vtctldata.proto
@@ -1600,7 +1600,7 @@ message VDiffCreateRequest {
 
 message VDiffCreateResponse {
   // Intentionally upper case to maintain compatibility with
-  // vtctlclient and other VDiff client output.
+  // vtctlclient and other VDiff client command output.
   string UUID = 1;
 }