updated inline documentation about location of local style.ini

lib/tpl/dokuwiki/style.ini

@@ -2,7 +2,8 @@
 ; for limitations of the ini format used here
 
 ; To extend this file or make changes to it, it is recommended to create
-; a style.local.ini file to prevent losing any changes after an upgrade.
+; a local conf/tpl/<template-folder-name>/style.ini file to prevent losing
+; any changes after an upgrade.
 ; Please don't forget to copy the section your changes should be under
 ; (i.e. [stylesheets] or [replacements]) into that file as well.