diff --git a/utest/flatstring_utest_main.cpp b/utest/flatstring_utest_main.cpp
index e7a2c140..e2721d06 100644
--- a/utest/flatstring_utest_main.cpp
+++ b/utest/flatstring_utest_main.cpp
@@ -1,6 +1,6 @@
-/* @file flatstring_utest_main.cpp */
+/** @file flatstring_utest_main.cpp **/
 
 #define CATCH_CONFIG_MAIN
 #include "catch2/catch.hpp"
 
-/* end flatstring_utest_main.cpp */
+/** end flatstring_utest_main.cpp **/