error in my sql coding

i keep having a error with my code saying the following Error. Please try again laterColumn count doesn't match value count at row 1 
could someone help me solve this

<?php  
include 'header.php';
include 'mysql.php';  
echo '<h3>Create Catergory</h3>';
if($_SERVER['REQUEST_METHOD'] != 'POST')  
{  
    //the form hasn't been posted yet, display it  
    echo '<form method="post" action="">  
           Catergory Name: <input type="text" name="name" /></p>  
           Catergory Description: <input type="textarea" name="description"></p>   
            <input type="submit" value="Add Catergory" />  
         </form>'; 
} 
else 
{ 
    //the form has been posted, so save it 
	 $sql = "INSERT INTO 
                    catagories(name, description) 
                VALUES('" . mysql_real_escape_string($_POST['name']) . "', 				
                       '" . mysql_real_escape_string($_POST['description']) . "', 
                        NOW(),   0)";  
        $result = mysql_query($sql);  
        if(!$result)  
        {  
            echo 'Error. Please try again later';//. mysql_error(); 
			exit();
        } 
        else 
        { 
            echo 'New category successfully added.'; 
			exit();
        } 
} 
include 'footer.php';
?>