a hint why you'd do this

docs/honk.1

@@ -72,6 +72,7 @@ Enter the collection URL for
 Separately, hashtags may be added to a combo by creating a honker with a
 .Ar url
 of the desired hashtag (including #).
+Several hashtags may thus be collected in a single combo.
 .Ss Viewing
 The primary feed is accessed via the
 .Pa home