course update to Angular v5

Author: jhades

README.md

@@ -2,7 +2,7 @@
 
 This repository contains the code of the [Angular Security MasterClass - Web Security Fundamentals Course](https://angular-university.io/course/angular-security-course).
 
-This course repository is updated to Angular 4, and there is a  package-lock.json file available, for avoiding semantic versioning installation issues.
+This course repository is updated to Angular v5, and there is a  package-lock.json file available, for avoiding semantic versioning installation issues.
 
 ![Angular Security MasterClass - Web Security Fundamentals Course](https://s3-us-west-1.amazonaws.com/angular-university/course-images/security-cover-small-v2.png)