slight change the read me file.

404.md

@@ -4,4 +4,4 @@ title: "Error 404: Page Not Found"
 permalink: /404.html
 ---
 
-Oops :(
+Oops :(. This page is not verified, therefore clients should not access it.

README.md

@@ -37,11 +37,20 @@ Variables that templates currently take into account are:
 
 * `title`, sets the page title
 * `menu`, (default: false) places the page into the website's navigation menu
+* `menu_order`, decides the order of menu
+* `parent_menu`, creates a parent menu with a dropdown box including the current page. 
+  Pages with the same parent menu are put in the same box.
+  Please also ensures the existence of parent_menu and its value, and menu_order are consistent.
+* `sub_menu_order`, decides the order of menu in corresponding dropdown box.
+* `project_id`, links the page to a project.
+* `project`, (please only use this for person, i.e. file under the directory of _people), links a person to a project.
+* `firstname, lastname, position, webpage, email, github`, describes a person.
 
 The main content of the page should then follow.
 
-Any other files present in the directory structure (except for those prefixed with `_`, `.`, or explicitly excluded in
-`_config.yml`) will be published unchanged to the website.
+Any other files present in the directory structure (except for those prefixed with `_`, `.`, or explicitly excluded in `_config.yml`) will be published unchanged to the website.
+
+For the detail of adding publication, please refer to the README file in publication directory.
 
 Testing and Deployment
 ----------------------

publications/README.md

 Paper Downloads
 ===============
 
-Papers and supporting supplimentary material should be placed in this directory.
+Papers and supporting supplementary material should be placed in this directory.
 
 Check with the publisher's T&Cs to determine which version of the paper you are allowed to publish here. Often it is
 only the pre-print edition that is passed to the publisher **before** they make any changes. The final proof copy and