diff --git a/Lib/smtpd.py b/Lib/smtpd.py
index 9c47a5b..c656ec7 100755
--- a/Lib/smtpd.py
+++ b/Lib/smtpd.py
@@ -17,7 +17,7 @@
 
     --class classname
     -c classname
-        Use `classname' as the concrete SMTP proxy class.  Uses `SMTPProxy' by
+        Use `classname' as the concrete SMTP proxy class.  Uses `PureProxy' by
         default.
 
     --debug