diff --git a/src/lab7_Classe_et_tableaux/Rectangle.java b/src/lab7_Classe_et_tableaux/Rectangle.java
index 349f4a5..50c0824 100644
--- a/src/lab7_Classe_et_tableaux/Rectangle.java
+++ b/src/lab7_Classe_et_tableaux/Rectangle.java
@@ -18,7 +18,8 @@ public class Rectangle {
     }
 
     public String toString(){
-        String s = "Rectangle size : ";
+        String s = "";
+        s += "Rectangle size : ";
         s += this.width;
         s += " x ";
         s += this.height;
diff --git a/src/lab7_Classe_et_tableaux/Task1Runner.java b/src/lab7_Classe_et_tableaux/Task1Runner.java
index faa71dc..57a2e49 100644
--- a/src/lab7_Classe_et_tableaux/Task1Runner.java
+++ b/src/lab7_Classe_et_tableaux/Task1Runner.java
@@ -5,7 +5,7 @@ import java.awt.Color;
 public class Task1Runner {
     public static void main(String[] args) {
         
-        Rectangle r1 = new Rectangle (10, 5);
+        Rectangle r1 = new Rectangle(10, 5);
         Rectangle r2 = new Rectangle (3, 4);
         Rectangle r3 = new Rectangle (100, 100);