Update README.md

Author: hcodes

README.md

@@ -9,8 +9,8 @@ Show js error
 Shows a message when an js error occurs in a browser.<br>
 Useful for developing and testing your site on mobile phones, tablets and desktop.
 
-Shortly:<br>![Shortly](https://raw.githubusercontent.com/hcodes/show-js-error/gh-pages/images/simple.png?)<br><br>
-Detail:<br>![Detail](https://raw.githubusercontent.com/hcodes/show-js-error/gh-pages/images/detailed.png?)
+Shortly:<br>![Shortly](https://raw.githubusercontent.com/hcodes/show-js-error/master/images/simple.png?)<br><br>
+Detail:<br>![Detail](https://raw.githubusercontent.com/hcodes/show-js-error/master/images/detailed.png?)
 
 ## Browsers
 Any.
@@ -63,5 +63,5 @@ showJSError.show(err);
 
 ## [Example](http://hcodes.github.io/show-js-error/tests/many.html)
 
-## [License](https://github.com/hcodes/show-js-error/blob/gh-pages/LICENSE)
+## [License](https://github.com/hcodes/show-js-error/blob/master/LICENSE)
 MIT License