diff --git a/save/src/protos.rs b/save/src/protos.rs
index 15246e2a..2f4af608 100644
--- a/save/src/protos.rs
+++ b/save/src/protos.rs
@@ -1,3 +1,4 @@
+// This file is @generated by prost-build.
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct Meta {