@end example
to the end of her @file{overview.fmt} file, then you can use that just
-as you would the extra headers from the mail groups.
+as you would the extra headers from the mail groups. Otherwise, you
+have to disable fetching headers with @samp{XOVER}:
+
+@lisp
+(setq nntp-nov-is-evil t
+ gnus-nov-is-evil t)
+@end lisp
+
+Be aware, though, that this will make entering an @acronym{NNTP} group
+much, much slower, so this is not recommended.
@node Summary Buffer Mode Line