diff --git a/bin/domain/Box.class b/bin/domain/Box.class
index 36c4a5b..71bfde6 100644
Binary files a/bin/domain/Box.class and b/bin/domain/Box.class differ
diff --git a/src/domain/Box.java b/src/domain/Box.java
index 77b5ccc..913e84c 100644
--- a/src/domain/Box.java
+++ b/src/domain/Box.java
@@ -201,7 +201,7 @@ public class Box {
         if (categoryChance > 0 && (setCategoryChance == null))
             res.add("categoryChance: " + categoryChance);
         if (categoryStarWarsDay > 0 && (setCategoryStarWarsDay == null))
-            res.add("categoryStarWarsDays: " + categoryStarWarsDay);
+            res.add("categoryStarWarsDay: " + categoryStarWarsDay);
         if (categoryR2D2 > 0 && (setCategoryR2D2 == null))
             res.add("categoryR2D2: " + categoryR2D2);