- "*Groups in which to automatically mark new articles as spam on
-summary entry. If non-nil, this should be a list of group name
-regexps that should match all groups in which to do automatic spam
-tagging, associated with a classification (spam, ham, or neither).
-This only makes sense for mail groups."
+ "*Group classification (spam, ham, or neither). Only
+meaningful when spam.el is loaded. If non-nil, this should be a
+list of group name regexps associated with a classification for
+each one. In spam groups, new articles are marked as spam on
+summary entry. There is other behavior associated with ham and
+no classification when spam.el is loaded - see the manual."