diff --git a/lisp/text-manip.el b/lisp/text-manip.el
index 06e6291..b6e4dff 100644
--- a/lisp/text-manip.el
+++ b/lisp/text-manip.el
@@ -2,6 +2,6 @@
   "Insert two spaces after a period."
   (interactive "p")
 
-  (when (looking-back "\\.")
+  (when (looking-back "[.!?…]")
     (call-interactively 'self-insert-command arg))
   (call-interactively 'self-insert-command arg))