diff --git a/backtracking/magic_sequence.cpp b/backtracking/magic_sequence.cpp
index 402e6bce3..54f8217e1 100644
--- a/backtracking/magic_sequence.cpp
+++ b/backtracking/magic_sequence.cpp
@@ -62,7 +62,7 @@ bool is_magic(const sequence_t& s) {
 }
 
 /**
- * @brief Filtering of sub-solutions
+ * @brief Sub-solutions filtering
  *
  * @param s a magic sequence
  * @param depth