Fix a few remaining problems found by rstlint.

Doc/library/urllib.request.rst

@@ -49,8 +49,8 @@ The :mod:`urllib.request` module defines the following functions:
    The urlopen function from the previous version, Python 2.6 and earlier,  of
    the module  urllib has been discontinued as urlopen can return the
    file-object as the previous. The proxy handling, which in earlier was passed
-   as a dict parameter to urlopen can be availed by the use of `ProxyHandler`
-   objects.
+   as a dict parameter to urlopen can be availed by the use of
+   :class:`ProxyHandler` objects.
 
 
 .. function:: install_opener(opener)

Doc/reference/simple_stmts.rst

@@ -871,8 +871,8 @@ The :keyword:`nonlocal` statement
    nonlocal_stmt: "nonlocal" `identifier` ("," `identifier`)*
 
 .. XXX add when implemented
-                : ["=" (`target_list` "=")+ `expression_list`]
-                : | "nonlocal" `identifier` `augop` `expression_list`
+                : ["=" (`target_list` "=")+ expression_list]
+                : | "nonlocal" identifier augop expression_list
 
 The :keyword:`nonlocal` statement causes the listed identifiers to refer to
 previously bound variables in the nearest enclosing scope.  This is important