Fixed typo.

Lib/lib-tk/test/test_ttk/test_widgets.py

@@ -21,7 +21,7 @@ class StandardTtkOptionsTests(StandardOptionsTests):
         widget = self.create()
         self.assertEqual(widget['class'], '')
         errmsg='attempt to change read-only option'
-        if get_tk_patchlevel() < (8, 6, 0): # actually this was changen in 8.6b3
+        if get_tk_patchlevel() < (8, 6, 0): # actually this was changed in 8.6b3
             errmsg='Attempt to change read-only option'
         self.checkInvalidParam(widget, 'class', 'Foo', errmsg=errmsg)
         widget2 = self.create(class_='Foo')
@@ -577,7 +577,7 @@ class PanedWindowTest(AbstractWidgetTest, unittest.TestCase):
         widget = self.create()
         self.assertEqual(str(widget['orient']), 'vertical')
         errmsg='attempt to change read-only option'
-        if get_tk_patchlevel() < (8, 6, 0): # actually this was changen in 8.6b3
+        if get_tk_patchlevel() < (8, 6, 0): # actually this was changed in 8.6b3
             errmsg='Attempt to change read-only option'
         self.checkInvalidParam(widget, 'orient', 'horizontal',
                 errmsg=errmsg)