Fix issue8619 - Doc fix - code example.
diff --git a/Doc/library/urllib.request.rst b/Doc/library/urllib.request.rst
index eb3aa33..1e861d4 100644
--- a/Doc/library/urllib.request.rst
+++ b/Doc/library/urllib.request.rst
@@ -143,7 +143,7 @@
       class AppURLopener(urllib.request.FancyURLopener):
           version = "App/1.7"
 
-      urllib._urlopener = AppURLopener()
+      urllib.request._urlopener = AppURLopener()
 
 
 .. function:: urlcleanup()