diff --git a/Lib/idlelib/idle_test/test_calltip.py b/Lib/idlelib/idle_test/test_calltip.py
index b23915c5ab7..e8d2bd17cb6 100644
--- a/Lib/idlelib/idle_test/test_calltip.py
+++ b/Lib/idlelib/idle_test/test_calltip.py
@@ -106,7 +106,7 @@ subclasses to override in order to tweak the default behaviour.
 If you want to completely replace the main wrapping algorithm,
 you\'ll probably have to override _wrap_chunks().''')
 
-    def test_properly_formated(self):
+    def test_properly_formatted(self):
 
         def foo(s='a'*100):
             pass