Updated README

- Links to Editor's Draft and TR versions
- Clarification of working group responsibility
- Corrected typo

Author: AmeliaBR

svg-aam/README.md

@@ -1,4 +1,10 @@
 
 # Specification 'svg-aam'
 
-This is the repository for SVG Accessibility API Mappiongs (svg-aam), which is part of the [ARIA suite](https://www.w3.org/WAI/ARIA/deliverables). General information about editing specifications is in the [main ARIA repository readme](https://github.com/w3c/aria/).
+This is the repository for SVG Accessibility API Mappings (svg-aam).  It is the basis of the [Editor's Draft version of the specification](https://w3c.github.io/svg-aam/).
+
+You can also compare against [the most recent published version](https://www.w3.org/TR/svg-aam-1.0/).
+
+This specification is part of the [ARIA suite](https://www.w3.org/WAI/ARIA/deliverables), and uses the same code structure and build tools as other ARIA suites. General information about editing specifications is in the [main ARIA repository readme](https://github.com/w3c/aria/).
+
+Publication of the specification is now the responsibility of the SVG working group.  The best way to comment on the specification is by filing an issue in this repository.