diff --git a/pep-0520.txt b/pep-0520.txt
index 3b383dec6..122992264 100644
--- a/pep-0520.txt
+++ b/pep-0520.txt
@@ -66,7 +66,7 @@ is executed within a namespace.  Currently that namespace defaults to
 ``dict``.  If the metaclass defines ``__prepare__()`` then the result
 of calling it is used for the class definition namespace.
 
-After the execution completes, the definition namespace namespace is
+After the execution completes, the definition namespace is
 copied into a new ``dict``.  Then the original definition namespace is
 discarded.  The new copy is stored away as the class's namespace and
 is exposed as ``__dict__`` through a read-only proxy.