diff --git a/pep-0380.txt b/pep-0380.txt
index 9470b8b10..597bfad03 100644
--- a/pep-0380.txt
+++ b/pep-0380.txt
@@ -182,14 +182,14 @@ except that, as currently, the exception cannot be caught by
 
 3. The StopIteration exception behaves as though defined thusly::
 
-   class StopIteration(Exception):
+       class StopIteration(Exception):
 
-       def __init__(self, *args):
-           if len(args) > 0:
-               self.value = args[0]
-           else:
-               self.value = None
-           Exception.__init__(self, *args)
+           def __init__(self, *args):
+               if len(args) > 0:
+                   self.value = args[0]
+               else:
+                   self.value = None
+               Exception.__init__(self, *args)
 
 
 Rationale