diff --git a/app/src/main/java/sudoku/Symbole.java b/app/src/main/java/sudoku/Symbole.java
index 6be9f85..89f5a06 100644
--- a/app/src/main/java/sudoku/Symbole.java
+++ b/app/src/main/java/sudoku/Symbole.java
@@ -28,6 +28,7 @@ public class Symbole {
     @Override
     public boolean equals(Object obj) {
         if (this == obj) return true;
+
         if (obj == null || getClass() != obj.getClass()) return false;
         Symbole symbole = (Symbole) obj;
         return valeur.equals(symbole.valeur);