Improve what's new

Co-authored-by: Brian Schubert <brianm.schubert@gmail.com>

Author: hugovk

Doc/whatsnew/3.15.rst

@@ -799,11 +799,13 @@ http.server
 -----------
 
 * The logging of :mod:`~http.server.BaseHTTPRequestHandler`,
-  as used by the command-line interface, is colored by default.
+  as used by the :ref:`command-line interface <http-server-cli>`,
+  is colored by default.
   This can be controlled with :ref:`environment variables
   <using-on-controlling-color>`.
-  (Contributed by Hugo van Kemenade in :gh:`123456`.)
-
+  (Contributed by Hugo van Kemenade in :gh:`146292`.)
+
+
 inspect
 -------