diff --git a/backtracking/magic_sequence.cpp b/backtracking/magic_sequence.cpp
index 4c942b5d3..d0379976c 100644
--- a/backtracking/magic_sequence.cpp
+++ b/backtracking/magic_sequence.cpp
@@ -25,7 +25,6 @@
  * @brief Backtracking algorithms
  */
 namespace backtracking {
-
 /**
  * @namespace magic_sequence
  * @brief Functions for the [Magic sequence](https://www.csplib.org/Problems/prob019/) implementation