Cannot find the indicated Syntax Error in my Smarty template-Collection of common programming errors

I am getting the following error when I call an ajax function

SmartyCompilerException: Syntax Error in template "themes/themename/ajax-product-sort.tpl" on line 16 "l} {s='price: lowest first'}" - Unexpected " }" in D:\wamp\www\sitename\tools\smarty\sysplugins\smarty_internal_templatecompilerbase.php on line 431 

and i cand find any syntax mistake on that particular line

{l s='price: lowest first'}