Update about.html (#1447)

solution/backend/regulations/templates/regulations/about.html

@@ -18,20 +18,6 @@ <h1>About This Tool</h1>
                 guidance, and other related policy materials. Our team updates
                 content and functionality several times a week.
             </p>
-            <p>
-                All documents on this site are publicly available and compiled
-                from other sources.
-            </p>
-            <p>
-                <a
-                    href="https://www.youtube.com/watch?v=dqy8WCFedU4"
-                    class="external"
-                    target="_blank"
-                    rel="noopener noreferrer"
-                >
-                    View a 6-minute video demonstration.
-                </a>
-            </p>
         </section>
 
         <section>
@@ -105,13 +91,6 @@ <h3>Regulation Text</h3>
                                 >not official legal editions</a
                             >
                             of the CFR.
-                            <a
-                                href="https://www.ecfr.gov/cgi-bin/ECFR?page=userinfo"
-                                class="external"
-                                target="_blank"
-                                rel="noopener noreferrer"
-                                >Learn more.</a
-                            >
                         </p>
                     </div>
                     <div class="ds-l-col--6">
@@ -203,6 +182,10 @@ <h3>Links to Additional Resources</h3>
                             >, we add a link to display in the sidebar of each
                             relevant section and subpart.
                         </p>
+                        <p>
+                            CMCS staff may also add internal documents useful for 
+                            policy research, only visible to logged-in staff.
+                        </p>
                     </div>
                     <div class="ds-l-col--6">
                         <img