Comment update (#719)

* point comments to new repo

* use base of github for guidelines

guidelines/index.html

@@ -17,7 +17,7 @@
 			<p>See <a href="https://www.w3.org/WAI/standards-guidelines/wcag/wcag3-intro/">WCAG 3 Introduction</a> for an introduction and links to WCAG technical and educational material.</p>
 		</section>
 		<section id="sotd">
-			<p>To comment, <a href="https://github.com/w3c/silver/issues/new">file an issue in the W3C silver GitHub repository</a>. The Working Group requests that public comments be filed as new issues, one issue per discrete comment. It is free to create a GitHub account to file issues. If filing issues in GitHub is not feasible, send email to <a href="mailto:public-agwg-comments@w3.org?subject=WCAG%203.0%20public%20comment">public-agwg-comments@w3.org</a> (<a href="https://lists.w3.org/Archives/Public/public-agwg-comments/">comment archive</a>). In-progress updates to the guidelines can be viewed in the <a href="https://w3c.github.io/silver/guidelines/">public editors’ draft</a>.</p>
+			<p>To comment, <a href="https://github.com/w3c/wcag3/issues/new">file an issue in the W3C wcag3 GitHub repository</a>. The Working Group requests that public comments be filed as new issues, one issue per discrete comment. It is free to create a GitHub account to file issues. If filing issues in GitHub is not feasible, send email to <a href="mailto:public-agwg-comments@w3.org?subject=WCAG%203.0%20public%20comment">public-agwg-comments@w3.org</a> (<a href="https://lists.w3.org/Archives/Public/public-agwg-comments/">comment archive</a>). In-progress updates to the guidelines can be viewed in the <a href="https://w3c.github.io/wcag3/">public editors’ draft</a>.</p>
 		</section>
 		<section class="informative">
 			<h2>Introduction</h2>

guidelines/respec-config.js

@@ -93,7 +93,7 @@ var respecConfig = {
 	// errata: 'https://www.w3.org/2010/02/rdfa/errata.html',
 
 	group: "ag",
-	github: "w3c/silver",
+	github: "w3c/wcag3",
 
 	maxTocLevel: 4,