1 files changed, 9 insertions, 0 deletions
diff --git a/src/game/client/gui/metrics.hh b/src/game/client/gui/metrics.hh
index ab09c34..441a40d 100644
--- a/src/game/client/gui/metrics.hh
+++ b/src/game/client/gui/metrics.hh
@@ -1,3 +1,10 @@
+// SPDX-License-Identifier: BSD-2-Clause
+// Copyright (c) 2025 Kirill Dmitrievich
+// File: metrics.hh
+// Description: Display debug information
+
+#ifndef CLIENT_GUI_METRICS_HH
+#define CLIENT_GUI_METRICS_HH
 #pragma once
 
 namespace metrics
@@ -5,3 +12,5 @@ namespace metrics
 void init(void);
 void layout(void);
 } // namespace metrics
+
+#endif