M docs/honk.1 → docs/honk.1

@@ -71,6 +71,7 @@ In addition to honkers, it is possible to subscribe to a hashtag collection.
 (Where supported.)
 Enter the collection URL for
 .Ar url .
+Alternatively, RSS feeds may be followed if the URL ends in .rss.
 .Pp
 Separately, hashtags may be added to a combo by creating a honker with a
 .Ar url