Issue #15410: Fix the urllib.request.Request.is_unverifiable deprecation documentation.
diff --git a/Doc/library/urllib.request.rst b/Doc/library/urllib.request.rst
index 887e737..898fe71 100644
--- a/Doc/library/urllib.request.rst
+++ b/Doc/library/urllib.request.rst
@@ -537,7 +537,7 @@
 
    Return whether the request is unverifiable, as defined by RFC 2965. See the
    documentation for the :class:`Request` constructor.  Deprecated in 3.3, use
-   :attr:`Request.is_unverifiable`.
+   :attr:`Request.unverifiable`.
 
    .. deprecated:: 3.3