diff --git a/stdlib/2/urllib2.pyi b/stdlib/2/urllib2.pyi
index bee73f1cc..3da0cd80c 100644
--- a/stdlib/2/urllib2.pyi
+++ b/stdlib/2/urllib2.pyi
@@ -52,9 +52,11 @@ class OpenerDirector(object):
     def open(self, fullurl: Union[Request, _string], data: Optional[_string] = ..., timeout: Optional[float] = ...) -> Optional[addinfourl]: ...
     def error(self, proto: _string, *args: Any): ...
 
+# Note that this type is somewhat a lie. The return *can* be None if
+# a custom opener has been installed that fails to handle the request.
 def urlopen(url: Union[Request, _string], data: Optional[_string] = ..., timeout: Optional[float] = ...,
             cafile: Optional[_string] = ..., capath: Optional[_string] = ..., cadefault: bool = ...,
-            context: Optional[ssl.SSLContext] = ...) -> Optional[addinfourl]: ...
+            context: Optional[ssl.SSLContext] = ...) -> addinfourl: ...
 def install_opener(opener: OpenerDirector) -> None: ...
 def build_opener(*handlers: Union[BaseHandler, Type[BaseHandler]]) -> OpenerDirector: ...