I set the terse phrase identifying the wikiEN-l list to "Discussion list for English-language Wikipedia"
You can see this on the http://www.wikipedia.org/mailman/listinfo page.
P.S. That's the 2nd admin thing I've done to wikiEN-l and either one can be reverted on request.
Ed Poor WikiEN-l Administrator (de facto and provisional)
wikipedia-l@lists.wikimedia.org