Clarification in 4.4.17 release notes.

Author: GrahamDumpleton

docs/release-notes/version-4.4.17.rst

@@ -15,4 +15,5 @@ Bugs Fixed
 
 1. If ``mod_wsgi-express`` was run under a user ID for which there was no
 password entry in the system password file, it would fail when looking up
-the user name. If this occurs now use ``#nnn`` as the default user name.
+the user name. If this occurs now use ``#nnn`` as the default user name,
+where ``nnn`` is the user ID.