Merge pull request #65 from wibjorn/patch-1

Readme link to aria best practices is out of date

Author: simurai

README.md

@@ -1,6 +1,6 @@
 # <tab-container> element
 
-A accessible tab container element with keyboard support. Follows the [ARIA best practices guide on tabs](https://www.w3.org/TR/wai-aria-practices/#tabpanel).
+A accessible tab container element with keyboard support. Follows the [ARIA best practices guide on tabs](https://www.w3.org/WAI/ARIA/apg/patterns/tabpanel/).
 
 ## Installation