Merge pull request #1491 from markedjs/docs-spec-versions

Update supported spec versions

Author: joshbruce

docs/README.md

@@ -72,8 +72,8 @@ We actively support the features of the following [Markdown flavors](https://git
 |Flavor                                                     |Version    |
 |:----------------------------------------------------------|:----------|
 |The original markdown.pl                                   |--         |
-|[CommonMark](http://spec.commonmark.org/0.28/)             |0.28       |
-|[GitHub Flavored Markdown](https://github.github.com/gfm/) |0.28       |
+|[CommonMark](http://spec.commonmark.org/0.29/)             |0.29       |
+|[GitHub Flavored Markdown](https://github.github.com/gfm/) |0.29       |
 
 By supporting the above Markdown flavors, it's possible that Marked can help you use other flavors as well; however, these are not actively supported by the community.