diff --git a/unit_tests/boards.cpp b/unit_tests/boards.cpp
index 45744588ed..65530451ea 100644
--- a/unit_tests/boards.cpp
+++ b/unit_tests/boards.cpp
@@ -1,5 +1,5 @@
 /**
- * @file board.c
+ * @file board.cpp
  *
  * @date Nov 15, 2013
  * @author Andrey Belomutskiy, (c) 2012-2020