diff --git a/include/kunit/visibility.h b/include/kunit/visibility.h
index 0dfe35feeec6..efff77b58dd6 100644
--- a/include/kunit/visibility.h
+++ b/include/kunit/visibility.h
@@ -22,6 +22,7 @@
      * EXPORTED_FOR_KUNIT_TESTING namespace only if CONFIG_KUNIT is
      * enabled. Must use MODULE_IMPORT_NS(EXPORTED_FOR_KUNIT_TESTING)
      * in test file in order to use symbols.
+     * @symbol: the symbol identifier to export
      */
     #define EXPORT_SYMBOL_IF_KUNIT(symbol) EXPORT_SYMBOL_NS(symbol, \
 	    EXPORTED_FOR_KUNIT_TESTING)