diff --git a/proto/perftools.profiles.rs b/proto/perftools.profiles.rs
index 051de1ab..b38c86e2 100644
--- a/proto/perftools.profiles.rs
+++ b/proto/perftools.profiles.rs
@@ -1,5 +1,6 @@
 // f9f855b960d01b292a3c2642e263e6156d52631e78e0177fe51416ed5bbecc81  proto/profile.proto
 
+// This file is @generated by prost-build.
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct Profile {