Index: wp-includes/formatting.php
===================================================================
--- wp-includes/formatting.php	(revision 11710)
+++ wp-includes/formatting.php	(working copy)
@@ -1700,8 +1700,9 @@
 		$excerpt_length = apply_filters('excerpt_length', 55);
 		$words = explode(' ', $text, $excerpt_length + 1);
 		if (count($words) > $excerpt_length) {
+			$excerpt_more = apply_filters('excerpt_more', '[...]');
 			array_pop($words);
-			array_push($words, '[...]');
+			array_push($words, $excerpt_more);
 			$text = implode(' ', $words);
 		}
 	}