Fix wording and layout of voice mode settings

src/assets/css/chat.scss

@@ -894,6 +894,26 @@ body {
 
     text-decoration: underline;
   }
+
+  .with-right-label {
+    display: flex;
+    flex-wrap: nowrap;
+    flex-direction: row;
+    text-align: start;
+    & > * {
+      flex: 1 1 auto;
+    }
+    & > *:last-child {
+      flex: 0 0 auto;
+    }
+    .option-title {
+      color: #000;
+      font-size: 16 * $chat-text-size;
+    }
+    .option-text {
+      font-size: 13 * $chat-text-size;
+    }
+  }
 }
 
 .header-button-left {

src/assets/translations/en.json

@@ -243,8 +243,9 @@
     "export_room": "Export chat",
     "user_admin": "Administrator",
     "user_moderator": "Moderator",
-    "ui_options": "UI Options",
-    "audio_layout": "Use audio layout"
+    "experimental_features": "Experimental Features",
+    "voice_mode": "Voice mode",
+    "voice_mode_info": "Switches the chat interface to a 'listen and record' mode"
   },
   "room_info_sheet": {
     "this_room": "This room",