diff --git a/pep-0572.rst b/pep-0572.rst
index b74d38a6c..74274ec89 100644
--- a/pep-0572.rst
+++ b/pep-0572.rst
@@ -120,7 +120,7 @@ Under the new semantics, this would instead be equivalent to::
     numbers = <listcomp>()
 
 When a class scope is involved, a naive transformation into a function would
-prevent name lookups (as the function would behave like a method).
+prevent name lookups (as the function would behave like a method)::
 
     class X:
         names = ["Fred", "Barney", "Joe"]