doveadm expunge: Improved the error hint message about using something else besides...

diff --git a/src/doveadm/doveadm-mail-expunge.c b/src/doveadm/doveadm-mail-expunge.c
index 8aca907473f4e4809dc751a22c9370aa6f08d024..41969ab0d871263d2b84646f1bb40954ba52ca9c 100644 (file)
--- a/src/doveadm/doveadm-mail-expunge.c
+++ b/src/doveadm/doveadm-mail-expunge.c
@@ -224,7 +224,8 @@ void expunge_search_args_check(struct mail_search_args *args, const char *cmd)
        if (!expunge_search_args_is_msgset_ok(args->args)) {
                i_fatal_status(EX_USAGE,
                        "%s: To avoid accidents, each branch in search query "
-                       "must contain something else besides MAILBOX", cmd);
+                       "must contain something else besides MAILBOX "
+                       "(e.g. just add \"all\" if you want everything)", cmd);
        }
 }