diff --git a/Doc/library/http.client.rst b/Doc/library/http.client.rst
index 7cdbbcf9701..e719ca6d1df 100644
--- a/Doc/library/http.client.rst
+++ b/Doc/library/http.client.rst
@@ -458,6 +458,9 @@ statement.
 
    Return a list of (header, value) tuples.
 
+.. method:: HTTPResponse.fileno()
+
+   Return the ``fileno`` of the underlying socket.
 
 .. attribute:: HTTPResponse.msg