diff --git a/management/templates/sync-guide-ext.html b/management/templates/sync-guide-ext.html
index a441ecb9..9452bb55 100644
--- a/management/templates/sync-guide-ext.html
+++ b/management/templates/sync-guide-ext.html
@@ -11,11 +11,8 @@
 
 			<p>You can edit your contacts and calendar from your web browser.</p>
 
-			<table class="table">
-			<thead><tr><th>For...</th> <th>Visit this URL</th></tr></thead>
-			<tr><th>Contacts</td> <td><a href="https://DAV_HOSTNAMECARDDAV_URL">https://DAV_HOSTNAMECARDDAV_URL</a></td></tr>
-			<tr><th>Calendar</td> <td><a href="https://DAV_HOSTNAMECALDAV_URL">https://DAV_HOSTNAMECARDDAV_URL</a></td></tr>
-			</table>
+            <p>Contacts & Calendar are not hosted on this server, please<br>
+            contact your administrator for additional information.
 
 			<p>Log in settings are the same as with <a href="#mail-guide" onclick="return show_panel(this);">mail</a>: your
 			complete email address and your mail password.</p>
@@ -39,7 +36,7 @@
 
 			<table class="table">
 			<tr><td>Account Type</td> <td>CardDAV or CalDAV</td></tr>
-			<tr><td>Server Name</td> <td>{{hostname}}</td></tr>
+			<tr><td>Server Name</td> <td>&nbsp;</td></tr>
 			<tr><td>Use SSL</td> <td>Yes</td></tr>
 			<tr><td>Username</td> <td>Your complete email address.</td></tr>
 			<tr><td>Password</td> <td>Your mail password.</td></tr>