diff --git a/PHP/purecaptcha.php b/PHP/purecaptcha.php
index f0b2d20..e135e85 100644
--- a/PHP/purecaptcha.php
+++ b/PHP/purecaptcha.php
@@ -38,8 +38,9 @@ function __construct()
      * @param  integer $length
      * @return string
      */
-    protected function randomText($length=4)
+    protected function randomText()
     {
+        $length = mt_rand(4,6) ;
         $res="";
         for ($i=0;$i<$length;++$i)
             $res.=$this->chars[mt_rand(0,strlen($this->chars)-1)];
diff --git a/PHP/purecaptcha_usage.php b/PHP/purecaptcha_usage.php
index a0f1b72..df84ce9 100644
--- a/PHP/purecaptcha_usage.php
+++ b/PHP/purecaptcha_usage.php
@@ -21,10 +21,9 @@ function checkCaptcha($response)
 
 <form method='post'>
 <label>Captcha:</label>
-<input type='text' name='CAPTCHA' placeholder='captcha' />
-<a href='#' onclick='var t=document.getElementById("captcha"); t.src=t.src+"&amp;"+Math.random();' 
-><img id='captcha' src='purecaptcha_img.php?t=login_form' height='22'/></a>
+<img id='captcha' src='purecaptcha_img.php?t=login_form' height='22'/><a onclick='var t=document.getElementById("captcha"); t.src=t.src+"&amp;"+Math.random();' style="padding-left:20px; text-decoration:none; cursor:pointer ; color:red">(Reload)</a>
 <br/>
+<input type='text' name='CAPTCHA' placeholder='captcha'  size="20"/><br/>
 
 <input type='submit' />
 </form>
\ No newline at end of file