diff --git a/Updating-pdf.js-on-Mozilla-Central.md b/Updating-pdf.js-on-Mozilla-Central.md
new file mode 100644
index 0000000..cacd11f
--- /dev/null
+++ b/Updating-pdf.js-on-Mozilla-Central.md
@@ -0,0 +1,86 @@
+### Initial Setup (hopefully one time)
++ Get Commit Access Level 1 (http://www.mozilla.org/hacking/committer/) (https://bugzilla.mozilla.org/show_bug.cgi?id=714712)
++ Check out Mozilla Central
+	(https://developer.mozilla.org/En/Simple_Firefox_build)
++ Setup HG
+	+ Edit ~/.hgrc (https://developer.mozilla.org/en/Mercurial_FAQ#How_can_I_generate_a_patch_for_somebody_else_to_check-in_for_me.3f)
+	Mine:
+```
+[ui]
+username = YOUR NAME <YOUR_HANDLE@mozilla.com>
+
+[defaults]
+qnew = -Ue
+
+[extensions]
+hgext.mq =
+
+[diff]
+git = 1
+showfunc = 1
+unified = 8
+
+[paths]
+try = ssh://hg.mozilla.org/try
+```
++ Edit ~.ssh/config
+```
+Host hg.mozilla.org
+        User YOUR_HANDLE@mozilla.com
+        IdentityFile ~/.ssh/id_rsa.pub
+```
+
+### Updating Steps
+
++ update moz central
+```
+hg pull -u
+```
+
++ update pdf.js and build extension
+```
+node make extension
+```
+
++ Open new bugzilla bug
+	+ Copy release notes there
+	+ Set depends bug ????
+
++ Create Patch (replace bug number)
+```
+hg qnew bug-743264-fix -m "Bug 743264 - Update pdf.js to Version 0.2.537."
+```
+
++ Update Files
+```
+copy updated files into mozilla-central/browser/app/profile/extensions/uriloader\@pdf.js
+hg qrefresh
+```
+
++ Add Try Stuff
+```
+hg qnew patch.try
+hg qpush patch.try
+hg qref --message "try: -b do -p macosx,macosx64,win32,linux,linux32 -u all -t none"
+```
+
++ Double Check What Your Sending
+```
+hg outgoing
+```
+
++ Push to Try Server
+```
+hg push -f try
+```
+
++ Pop off the try patch
+```
+hg qpop patch.try
+// Maybe just hg qpop
+```
+
++ Generate Patch (after successful try run, replace bug number)
+```
+hg export qtip >~/projects/mine/pdf.js/patches~/bug-743264-fix.patch
+```
\ No newline at end of file