Fix typo in config-templates/config.php

Thanks to Dick Visser for reporting this!

git-svn-id: https://simplesamlphp.googlecode.com/svn/trunk@2994 44740490-163a-0410-bde0-09ae8108e29a

config-templates/config.php

@@ -380,7 +380,7 @@ $config = array (
  		99 => 'core:LanguageAdaptor',
 	),
 	/*
-	 * Authentication processing filters that will be executed for all IdPs
+	 * Authentication processing filters that will be executed for all SPs
 	 * Both Shibboleth and SAML 2.0
 	 */
 	'authproc.sp' => array(