diff --git a/index.html b/index.html
index 04ed22f..df0c4f2 100644
--- a/index.html
+++ b/index.html
@@ -3,13 +3,14 @@
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
-
+
Research Pages
+
+#+HTML_HEAD:
:END:
Welcome to my research pages.
@@ -19,6 +20,14 @@ Welcome to my research pages.
(shell-command (concat "git submodule deinit -f " path)))
#+end_src
+* Change submodule url :noexport:
+First delete the submodule using
+#+begin_src bash
+ git rm --cache submodule-name
+#+end_src
+
+Then add a new submodule with the updated url.
+
* Update CSS and JS :noexport:
#+begin_src bash :results none
cd js && cat jquery.min.js jquery.stickytableheaders.min.js bootstrap.min.js readtheorg.js > script.js