diff --git a/3. Implementation/test_a01.py b/3. Implementation/test_a01.py
index 321f631..4607b6d 100644
--- a/3. Implementation/test_a01.py	
+++ b/3. Implementation/test_a01.py	
@@ -10,4 +10,4 @@ def test_01():
 def test_02():
     a = Calculator(5,10)
     """ Check that plus(5,10) = 15 """
-    assert a.plus() == 15
\ No newline at end of file
+    assert a.plus() == 1
\ No newline at end of file