diff --git a/dynamic_programming/house_robber.cpp b/dynamic_programming/house_robber.cpp
index 2b640e028..94eac9f53 100644
--- a/dynamic_programming/house_robber.cpp
+++ b/dynamic_programming/house_robber.cpp
@@ -103,6 +103,6 @@ static void test() {
  * @returns 0 on exit
  */
 int main() {
-    test();  // execute the test
+    test();  // run self-test implementations
     return 0;
 }