Update README

README.md

 # Chromebrew-buildout-re6st
-Contains the source files to generate the re6stnet package in _chromebrew_ using the _buildout_ build system
+Contains the source files to generate the re6stnet package in _chromebrew_ using the _buildout_ build system. This repository is used when you do "crew install -s re6stnet". Please see https://lab.nexedi.com/nexedi/chromebrew/blob/nexedi/packages/re6stnet.rb for the description of package re6stnet in chromebrew.
 
 ## Updating
-Whenever the master branch of this package is modified, the checksum has to be updated in any _chromebrew_ repository.
-A modification of this repository should also correspond to a new build being uploaded at <https://softinst62285.host.vifib.net/public/re6stnet-0.494-chromeos-x86_64.tar.xz>, and the checksum of this new package should be changed in the _chromebrew_ recipe.
+When you want to release a new version of the chromebrew package, use your own Nayu OS and run the following
+
+```bash
+cd /usr/local/lib/crew
+crew update # make sure crew is uptodate, at the same time, you can check you are using branch nexedi of project https://lab.nexedi.com/nexedi/chromebrew
+```
+
+You should see something like this:
+
+```
+chronos@localhost /usr/local/lib/crew $ crew update
+From https://lab.nexedi.com/nexedi/chromebrew
+ * branch              nexedi     -> FETCH_HEAD
+HEAD is now at 2cd50692 Fix re6stnet cheksum
+Package lists, crew, and library updated.
+Checking for package updates...
+
+Your software is up to date.
+```
+
+Once crew is updated, you can do the following:
+
+```bash
+vim packages/re6stnet.rb # edit "source_url" and "source_sha256" to use the correct version of this repository
+                         # also change version if needed
+cd /usr/local/tmp
+crew build re6stnet
+scp -P 22222 re6stnet*.tar.xz slapuser9@[2001:67c:1254:e:7::5156]:srv/runner/public/ # upload to https://softinst105421.host.vifib.net/public/
+vim packages/re6stnet.rb # edit "binary_url" and "binary_sha256" with the correct name and sha256
+git add packages/re6stnet.rb
+git commit
+git push # please push to branch nexedi of https://lab.nexedi.com/nexedi/chromebrew
+```
+
+Please note that https://softinst105421.host.vifib.net/ is a webrunner owned by nexedi_development_service account at https://slapos.vifib.com/#/hosting_subscription_module/20180816-DECC11F.