diff --git a/public/install.php b/public/install.php
index 44e5ba6..2d6c405 100644
--- a/public/install.php
+++ b/public/install.php
@@ -34,9 +34,9 @@ class BlueTwilightInstaller
             <h1>Blue Twilight Setup</h1>
             <p>We need to download a few things - namely <a href="http://getcomposer.org" target="_blank">Composer</a> and related packages - before we can kick off the Blue Twilight installer.</p>
             <p>We can do this for you - simply click the button below.</p>
-            <p style="font-weight: bold; color: #ff0000;">This can take a few minutes so please be patient!</p>
+            <p style="font-weight: bold; color: #ff0000;">This can take a few minutes so please be patient, and only click the button once!</p>
             <form method="post">
-                <button type="submit" onclick="this.disabled = true;">Install Composer and dependencies for me</button>
+                <button type="submit">Install Composer and dependencies for me</button>
             </form>
 
             <hr/>