https://quickblox.atlassian.net/browse/QBWEBSDK-249

Author: dimaspirit

samples/webrtc/index.html

@@ -35,6 +35,7 @@ <h2 class="header__title">JavaScript WebRTC Sample</h2>
                     <h3 class="join__title">
                         <p>Please enter your username and chat room name.</p>
                         <p>You can join existed chat room.</p>
+                        <p class="join__notice">Use several browsers to simulate several users.</p>
                     </h3>
 
                     <div class="join__body">

samples/webrtc/styles.css

@@ -235,6 +235,11 @@ b {
     text-align: center;
 }
 
+.join__notice {
+    margin: 10px 0 0 0;
+    font-size: 14px;
+}
+
 .join__body {
     width: 90%;
     max-width: 410px;