diff --git a/backtracking/magic_sequence.cpp b/backtracking/magic_sequence.cpp
index d4c13ea36..73912531e 100644
--- a/backtracking/magic_sequence.cpp
+++ b/backtracking/magic_sequence.cpp
@@ -124,6 +124,10 @@ static void test() {
  * @brief Main function
  * @returns 0 on exit
  */
+/**
+ * @brief Main function
+ * @returns 0 on exit
+ */
 int main() {
     test();  // run self-test implementations