Add a missing versionadded.

diff --git a/Doc/library/urllib.request.rst b/Doc/library/urllib.request.rst
index 65637fd22d3774ce32e01c8505d26b751cc6c0ee..d5f3f2c39cf23aa1080c9794e9807d4680cafe23 100644 (file)
--- a/Doc/library/urllib.request.rst
+++ b/Doc/library/urllib.request.rst
@@ -465,6 +465,8 @@ request.
    Remove named header from the request instance (both from regular and
    unredirected headers).
 
+   .. versionadded:: 3.4
+
 
 .. method:: Request.get_full_url()