Merge pull request #705 from dakago/master

oref0 version number lookup

Author: danamlewis

docs/docs/walkthrough/phase-2/update-your-rig.md

@@ -2,7 +2,7 @@
 
 You've probably heard about all kinds of cool new features that you want to try. If they're part of the master branch already, you just need to go enable them (usually by [re-running the oref0-setup script](http://openaps.readthedocs.io/en/latest/docs/walkthrough/phase-2/oref0-setup.html#re-running-the-setup-script)).
 
-However, if it's a brand-new feature that's being tested or is recently added to master, you'll need to install the new version of `oref0` first.  By the way, if you want to check which branch of oref0 you are currently running, `cd ~/src/oref0` and then `git branch`. 
+However, if it's a brand-new feature that's being tested or is recently added to master, you'll need to install the new version of `oref0` first.  By the way, if you want to check which version of oref0 you are currently running, `npm list -g oref0` and if you want to check which branch `cd ~/src/oref0` and then `git branch`. 
 
 ## Step 1: Install the new version