diff --git a/services/src/main/java/ch/hepia/event/EventAddProductQuantity.java b/services/src/main/java/ch/hepia/event/EventAddProductQuantity.java
index a224dd12994b17bcb471c3839c7727b4def46397..10fb99d2285a25f512855799cb177719b16a4c61 100644
--- a/services/src/main/java/ch/hepia/event/EventAddProductQuantity.java
+++ b/services/src/main/java/ch/hepia/event/EventAddProductQuantity.java
@@ -19,6 +19,6 @@ public class EventAddProductQuantity extends Event{
 
     @Override
     public String toString(){
-        return "\n"+super.toString()+" : "+this.msg+" ( product id =" + this.idProduct+", quantity ordered = "+this.quantity+" )\n";
+        return "\n"+super.toString()+" : "+this.msg+" ( product id = " + this.idProduct+", quantity ordered = "+this.quantity+" )\n";
     }
 }
\ No newline at end of file