Retain Federated Identity CG in background section

charter/index.html

@@ -180,7 +180,7 @@ <h2>Motivation and Background</h2>
         They are</span> largely based on existing open web standards, which they extend to give priority to individual and group autonomy.</p>
 
         <p>The <a href="https://www.w3.org/groups/cg/solid">W3C Solid Community Group</a> has been incubating <a href="https://solidproject.org/TR/">specifications</a> since 2018 towards that end, i.e., "to describe the interoperability between different classes of products by using web communication protocols, global identifiers, authentication and authorization mechanisms, data formats and shapes, notifications, and query interfaces."
-        <span class=new>It has regularly sought cross-fertilization with the aforementioned communities, among others (e.g., the <a href="https://www.w3.org/groups/cg/credentials/">Credentials Community Group (CCG)</a>, the <a href="https://www.w3.org/groups/wg/fedid/">Federated Identity Working Group</a>, and the <a href="https://www.w3.org/groups/cg/socialcg/">Social Web Incubator Community Group</a>).</span></p>
+        <span class=new>It has regularly sought cross-fertilization with the aforementioned communities, among others (e.g., the <a href="https://www.w3.org/groups/cg/credentials/">Credentials Community Group (CCG)</a>, the <a href="https://www.w3.org/community/fed-id/">Federated Identity Community Group</a>, the <a href="https://www.w3.org/groups/cg/socialcg/">Social Web Incubator Community Group</a>, and the <a href="https://www.w3.org/groups/cg/wicg/">Web Platform Incubator Community Group (WICG)</a>).</span></p>
 
         <p>The broader Solid community has developed a <a href="https://solidproject.org/developers/tools/">suite of implementations, tools, and libraries</a> for developers, as well as <a href="https://solidproject.org/apps">applications</a> for users.
         <span class=new>Also see an <a href="https://timbl.solidcommunity.net/2023/03%20EWADA/TAGExplainerforSolid.html">explainer</a> for more detailed description of the Solid approach.</span>