tests DOC doxygen header
diff --git a/tests/utests/basic/test_common.c b/tests/utests/basic/test_common.c
index 75235a2..46b80ab 100644
--- a/tests/utests/basic/test_common.c
+++ b/tests/utests/basic/test_common.c
@@ -1,4 +1,4 @@
-/*
+/**
  * @file test_common.c
  * @author: Radek Krejci <rkrejci@cesnet.cz>
  * @brief unit tests for functions from common.c