Commit d4932bf

@@ -115,6 +115,6 @@
 
 1. Discussion
 
-This was fun. Instead of passing around x and y coordinate, I would have
-preferred to extract a `Coordinate` class that can check the boundaries of the
-grid.
+  This was fun. Instead of passing around x and y coordinate, I would have
+  preferred to extract a `Coordinate` class that can check the boundaries of the
+  grid.