diff --git a/pep-0637.rst b/pep-0637.rst
index e9ff151e6..ebf2e2af0 100644
--- a/pep-0637.rst
+++ b/pep-0637.rst
@@ -462,7 +462,7 @@ With the introduction of the new notation, a few corner cases need to be analyse
 
 2. a similar case occurs with setter notation::
 
-       # Given type(obj).__getitem__(self, index, value):
+       # Given type(obj).__setitem__(self, index, value):
        obj[1, value=3] = 5
 
    This poses no issue because the value is passed automatically, and the python interpreter will raise