-Archive each message currently shown by removing the \"inbox\"
-tag from each. If a prefix argument is given, the messages will
-be \"unarchived\" (ie. the \"inbox\" tag will be added instead of
-removed).
+Archive each message currently shown by applying the tag changes
+in `notmuch-archive-tags' to each (remove the \"inbox\" tag by
+default). If a prefix argument is given, the messages will be
+\"unarchived\", i.e. the tag changes in `notmuch-archive-tags'
+will be reversed.