1 files changed, 9 insertions, 0 deletions
diff --git a/src/core/config/string.hh b/src/core/config/string.hh
index 8fd3901..faecb67 100644
--- a/src/core/config/string.hh
+++ b/src/core/config/string.hh
@@ -1,3 +1,10 @@
+// SPDX-License-Identifier: BSD-2-Clause
+// Copyright (c) 2025 Kirill Dmitrievich
+// File: string.hh
+// Description: String config value
+
+#ifndef CORE_CONFIG_STRING_HH
+#define CORE_CONFIG_STRING_HH
 #pragma once
 
 #include "core/config/ivalue.hh"
@@ -29,3 +36,5 @@ constexpr const char* config::String::c_str(void) const noexcept
 {
     return m_value.c_str();
 }
+
+#endif