diff --git a/backtracking/magic_sequence.cpp b/backtracking/magic_sequence.cpp
index 624ad3573..ad37a66a8 100644
--- a/backtracking/magic_sequence.cpp
+++ b/backtracking/magic_sequence.cpp
@@ -75,7 +75,7 @@ bool filtering(const sequence_t& s, unsigned int depth) {
 }
 
 /**
- * @brief solve magic squance problem
+ * @brief Solve the Magic Sequence problem
  *
  * @param s a magic sequence
  * @param ret list of valid magic sequences