diff --git a/Lib/test/test_struct.py b/Lib/test/test_struct.py
index 0c19326..9ed3220 100644
--- a/Lib/test/test_struct.py
+++ b/Lib/test/test_struct.py
@@ -476,7 +476,7 @@
                           test_string)
 
     def test_unpack_with_buffer(self):
-        # SF bug 1563759: struct.unpack doens't support buffer protocol objects
+        # SF bug 1563759: struct.unpack doesn't support buffer protocol objects
         data1 = array.array('B', b'\x12\x34\x56\x78')
         data2 = memoryview(b'\x12\x34\x56\x78') # XXX b'......XXXX......', 6, 4
         for data in [data1, data2]: