diff --git a/pages/help/9.php b/pages/help/9.php
index fc09e78..8a538fe 100644
--- a/pages/help/9.php
+++ b/pages/help/9.php
@@ -18,6 +18,7 @@
 <?
 	function dotab($num)
 	{
+		$string="";
 		for($i = 0; $i < $num; $i++)
 		{
 			for($j = 0; $j < 8; $j++)