diff --git a/www/index.html b/www/index.html
index 5aa528f..1dd64cd 100644
--- a/www/index.html
+++ b/www/index.html
@@ -18,7 +18,7 @@
 <main id="interface">
   <header id="header" role="banner">
     <h1>Welcome</h1>
-    <button class="join" type="button" id="call-button">Join Call~</button>
+    <button class="join" type="button" id="call-button">Join Call~!</button>
   </header>
 <article id="videos">
   <h2 class="preserve-access">Streaming Videos</h2>