diff --git a/sorting/wave_sort.cpp b/sorting/wave_sort.cpp
index bff0d56ef..8db8fa005 100644
--- a/sorting/wave_sort.cpp
+++ b/sorting/wave_sort.cpp
@@ -87,6 +87,6 @@ static void test() {
  * @returns 0 on exit
  */
 int main() {
-    test();  // execute the test
+    test();  // run self-test implementations
     return 0;
 }