diff --git a/backtracking/magic_sequence.cpp b/backtracking/magic_sequence.cpp
index e1ad400c4..7d56b7b2f 100644
--- a/backtracking/magic_sequence.cpp
+++ b/backtracking/magic_sequence.cpp
@@ -22,7 +22,7 @@
 #include <vector>     /// for std::vector
 
 /**
- * @namespace
+ * @namespace backtracking
  * @brief Backtracking algorithms
  */
 namespace backtracking {