Clearer anonymous settings modal title

client/src/app/menu/menu.component.html

@@ -153,7 +153,7 @@
       <div class="footer-block">
         <a *ngIf="!isLoggedIn" (click)="openQuickSettings()">
           <my-global-icon iconName="cog" aria-hidden="true"></my-global-icon>
-          <ng-container i18n>Settings</ng-container>
+          <ng-container i18n>My settings</ng-container>
         </a>
 
         <a routerLink="/about" routerLinkActive="active">

client/src/app/modal/quick-settings-modal.component.html

@@ -1,10 +1,12 @@
 <ng-template #modal let-hide="close">
   <div class="modal-header">
-    <h4 i18n class="modal-title">Settings</h4>
+    <h4 i18n class="modal-title">My settings</h4>
     <my-global-icon iconName="cross" aria-label="Close" role="button" (click)="hide()"></my-global-icon>
   </div>
 
   <div class="modal-body">
+    <div class="mb-4 font-italic">These settings apply only to your session on this instance.</div>
+
     <div i18n class="mb-4 quick-settings-title">Display settings</div>
 
     <my-user-video-settings