angular/angular.js — pull request #9551 by sersor (2014-10-10 13:35:24+00:00)
Title: docs(tutorial/Tutorial): describe your change...

I was following instructions and running 'npm install' from default location and getting very different error. Later found on 'stackoverflow' that command must be run from folder that contains package.json' file. Though it my save some time to novice users