Updated readme.md

Author: AndreyChayko

README.md

@@ -16,7 +16,7 @@ Demo Angular UI Router: http://angular-data-grid.github.io/demo/bootstrap/ui-rou
  - Easily switch between the most popular Bootstrap and Google Material theming, or apply your own CSS theme just by changing several CSS classes.
  - Built-in sync with browser address bar (URL), so you can copy-n-paste sorting/filtering/pagination results URL and open it in other browser / send to anyone - even if pagination / filtering are done on a client-side. [See details](#url-synchronization)
  - Support of [Angular UI Router](https://github.com/angular-ui/ui-router) navigation.
- - Optional support of fixed header table: [bootstrap Demo](https://github.com/angular-data-grid/demo/fixed-header/bootstrap-grid.html) [Material Design Demo](https://github.com/angular-data-grid/demo/fixed-header/angular-md-grid.html)
+ - Optional support of fixed header table: [Bootstrap Demo](http://angular-data-grid.github.io/demo/fixed-header/bootstrap-grid.html) [Material Design Demo](http://angular-data-grid.github.io/demo/fixed-header/angular-md-grid.html)
  - Unlike most part of other Angular DataGrids, we intentionally use non-isolated scope of the directive to maximize flexibility, so it can be easily synchronized with any data changes inside your controller. 
  NOTE! With great power comes great responsibility, so use non-isolated API wisely.