Index: default-widgets.php
===================================================================
--- default-widgets.php	(revision 12318)
+++ default-widgets.php	(working copy)
@@ -804,7 +804,10 @@
 			$title = __('Untitled');
 
 		$desc = str_replace(array("\n", "\r"), ' ', esc_attr(strip_tags(@html_entity_decode($item->get_description(), ENT_QUOTES, get_option('blog_charset')))));
-		$desc = wp_html_excerpt( $desc, 360 ) . ' […]';
+		if(strlen($desc) > 360)
+		{
+			$desc = wp_html_excerpt( $desc, 360 ) . ' […]';
+		}
 		$desc = esc_html( $desc );
 
 		if ( $show_summary ) {