diff --git a/libmproxy/onboarding/templates/index.html b/libmproxy/onboarding/templates/index.html
index 50cfd5dbd..65fda5d2b 100644
--- a/libmproxy/onboarding/templates/index.html
+++ b/libmproxy/onboarding/templates/index.html
@@ -1,5 +1,5 @@
 {% extends "frame.html" %}
-{% block body %}  
+{% block body %}
 
 <center>
 <h2> Click to install the mitmproxy certificate: </h2>
@@ -23,4 +23,13 @@
     </div>
 </div>
 
+<hr/>
+<div class="text-center">
+    Other mitmproxy users cannot intercept your connection.
+</div>
+<div class="text-center text-muted">
+    This page is served by your local mitmproxy instance. The certificate you are about to install has been uniquely generated on mitmproxy's first run and is not shared
+    between mitmproxy installations.
+</div>
+
 {% endblock %}