some of @TallTed's suggestions

from https://github.com/solid/solid-wg-charter/pull/71/files#r1543358939

charter/index.html

@@ -191,7 +191,7 @@ <h2>Motivation and Background</h2>
         <h2>Scope</h2>
 
         <p>
-          <span class=new>The scope of the Working Group is to define a web protocol that client-side applications can use to authenticate users and store their data with user-chosen identity and storage servers. Applications that use this protocol can more easily allow their</span> users to keep authority over their data, identity, and privacy.
+          <span class=new>The scope of the Working Group is to define a web protocol that client-side applications can use to authenticate users and store their data with user-chosen identity and storage servers. Applications that use this protocol can more easily allow their users to exert and maintain</span> authority over their data, identity, and privacy.
           This protocol will ensure interoperability between compliant user applications, and compliant storage and identity servers,
           thus giving users the freedom to select the applications and services that suit their needs.
         </p>