Fix grammar.

index.html

@@ -105,7 +105,7 @@ <h2>Real-time Co-editing</h2>
         <li><strong>User Need 2:</strong> An assistive technology user needs to be informed in real time of changes to the content being made by collaborators.</li>
         <li><strong>REQ 2:</strong> Provide a mode of operation in which status messages inform the assistive technology user of insertions, deletions, or formatting-related changes made by collaborators as they occur. Limiting these notifications to a content span currently focused by the user is also an advisable option.</li>
         <li><strong>User Need 3:</strong> Users with learning or cognitive disabilities  and assistive technology users need the ability to read or edit without being distracted or overwhelmed by status messages.</li>
-        <li><strong>REQ 3:</strong> Provide a mode of operation in which status messages informing the user of the presence or activities of collaborators are suppressed. This may be achieved by allowing the user selectively to enable and disable specific types of status messages, to messages relating to a specific span of content, or all such messages.</li>
+        <li><strong>REQ 3:</strong> Provide a mode of operation in which status messages informing the user of the presence or activities of collaborators are suppressed. This may be achieved by allowing the user selectively to enable and disable specific types of status messages, messages relating to a specific span of content, or all such messages.</li>
         <li><strong>User Need 4:</strong> An assistive technology user needs the ability to track changes introduced by a specific collaborator as they are made.</li>
         <li><strong>REQ 4:</strong> Provide a function that moves and tracks user&apos;s
         focus to the location where a specific collaborator is editing. If there are multiple active collaborators, then multiple such commands, or a menu of active content editors, should be available.</li>