diff --git a/backtracking/magic_sequence.cpp b/backtracking/magic_sequence.cpp
index 3a6a6c1d3..c4af7ad0c 100644
--- a/backtracking/magic_sequence.cpp
+++ b/backtracking/magic_sequence.cpp
@@ -36,7 +36,6 @@ using sequence_t = std::vector<unsigned int>;
 
 /**
  * @brief print a magic sequence
- *
  * @param s a magic sequence
  */
 void print(const sequence_t& s) {