diff --git a/sudoku/README.md b/sudoku/README.md
index e120005..3484dd8 100644
--- a/sudoku/README.md
+++ b/sudoku/README.md
@@ -15,8 +15,8 @@ $ cat ./path/to/map.txt
 |9                |
 |    7 1         2|
 |          2 3   4|
+|5   2            |
 +-----------------+
-5   2
 $ ./sudoku ./path/to/map.txt
 +-----------------+
 |2 5 8 3 7 4 1 6 9|