(sort-columns): Fix error message.

diff --git a/lisp/sort.el b/lisp/sort.el
index 57a3643c4dae510b88d629044842bfee996109e4..33f523c9533a291791db729f05d1ecc870ed0618 100644 (file)
--- a/lisp/sort.el
+++ b/lisp/sort.el
@@ -486,7 +486,7 @@ Use \\[untabify] to convert tabs to spaces before sorting."
       (setq col-start (min col-beg1 col-end1))
       (setq col-end (max col-beg1 col-end1))
       (if (search-backward "\t" beg1 t)
-         (error "sort-columns does not work with tabs.  Use M-x untabify"))
+         (error "sort-columns does not work with tabs -- use M-x untabify"))
       (if (not (or (eq system-type 'vax-vms)
                   (text-properties-at beg1)
                   (< (next-property-change beg1 nil end1) end1)))