diff --git a/html/images/sogo/macosx.add.reminder.png b/html/images/sogo/macosx.add.reminder.png
new file mode 100644
index 00000000..60971116
Binary files /dev/null and b/html/images/sogo/macosx.add.reminder.png differ
diff --git a/html/index.html b/html/index.html
index 6e461d48..ffcd79f3 100644
--- a/html/index.html
+++ b/html/index.html
@@ -34,8 +34,8 @@
 <ul>
 <li><a href="configure.thunderbird.html">Configure Thunderbird as mail client (POP3/IMAP, SMTP and global ldap address book)</a></li>
 <li><a href="sogo.bb10.caldav.carddav.html">BlackBerry 10: Add calendar (CalDAV) and contact (CardDAV) services</a></li>
-<li><a href="sogo.macosx.contacts.html">Mac OS X: Add contact account in Contacts.app</a></li>
-<li><a href="sogo.macosx.icalendar.html">Mac OS X: Add calendar account in iCalendar.app</a></li>
+<li><a href="sogo.macosx.contacts.html">Mac OS X: Add contact service (CardDAV) in Contacts.app</a></li>
+<li><a href="sogo.macosx.icalendar.html">Mac OS X: Add calendar (CalDAV) and task (Reminders) service in iCalendar.app</a></li>
 </ul>
 <h3 id="how-to">How to</h3>
 <ul>
diff --git a/html/sogo.macosx.contacts.html b/html/sogo.macosx.contacts.html
index c7e115fa..b1e367b7 100644
--- a/html/sogo.macosx.contacts.html
+++ b/html/sogo.macosx.contacts.html
@@ -1,7 +1,7 @@
 <html>
     <head>
         <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
-        <title>Mac OS X: Add contact account in Contacts.app</title>
+        <title>Mac OS X: Add contact service (CardDAV) in Contacts.app</title>
         <link href="./css/markdown.css" rel="stylesheet"></head>
     </head>
     <body>
@@ -10,7 +10,7 @@
         <a href="http://www.iredmail.org" target="_blank">iRedMail web site</a>
     
         // <a href="./index.html">Document Index</a>
-    </div><h1 id="mac-os-x-add-contact-account-in-contactsapp">Mac OS X: Add contact account in Contacts.app</h1>
+    </div><h1 id="mac-os-x-add-contact-service-carddav-in-contactsapp">Mac OS X: Add contact service (CardDAV) in Contacts.app</h1>
 <blockquote>
 <p>To use contact service (CardDAV protocol), you must choose to install
 SOGo groupware during iRedMail installation.</p>
@@ -21,7 +21,7 @@ SOGo groupware during iRedMail installation.</p>
 <p><img alt="" src="./images/sogo/macosx.internet.accounts.png" /></p>
 <p>3: on right panel, click <code>Add Other Account</code> at the bottom</p>
 <p><img alt="" src="./images/sogo/macosx.add.other.account.png" /></p>
-<p>4: choose <code>Add a CalDAV account</code> in popup window</p>
+<p>4: choose <code>Add a CardDAV account</code> in popup window</p>
 <p><img alt="" src="./images/sogo/macosx.choose.account.type.carddav.png" /></p>
 <p>5: Fill up the form with your server address and email account credential</p>
 <ul>
diff --git a/html/sogo.macosx.icalendar.html b/html/sogo.macosx.icalendar.html
index b8019a0b..5126a354 100644
--- a/html/sogo.macosx.icalendar.html
+++ b/html/sogo.macosx.icalendar.html
@@ -1,7 +1,7 @@
 <html>
     <head>
         <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
-        <title>Mac OS X: Add calendar account in iCalendar.app</title>
+        <title>Mac OS X: Add calendar (CalDAV) and task (Reminders) service in iCalendar.app</title>
         <link href="./css/markdown.css" rel="stylesheet"></head>
     </head>
     <body>
@@ -10,10 +10,10 @@
         <a href="http://www.iredmail.org" target="_blank">iRedMail web site</a>
     
         // <a href="./index.html">Document Index</a>
-    </div><h1 id="mac-os-x-add-calendar-account-in-icalendarapp">Mac OS X: Add calendar account in iCalendar.app</h1>
+    </div><h1 id="mac-os-x-add-calendar-caldav-and-task-reminders-service-in-icalendarapp">Mac OS X: Add calendar (CalDAV) and task (Reminders) service in iCalendar.app</h1>
 <blockquote>
-<p>To use calendar service (CalDAV protocol), you must choose to install
-SOGo groupware during iRedMail installation.</p>
+<p>To use calendar and task service, you must choose to install SOGo groupware
+during iRedMail installation.</p>
 </blockquote>
 <p>1: Open application <code>System Preferences</code>:</p>
 <p><img alt="" src="./images/sogo/macosx.system.preferences.png" /></p>
@@ -33,7 +33,10 @@ SOGo groupware during iRedMail installation.</p>
 <li>Port: <code>443</code></li>
 <li>Use SSL: checked</li>
 </ul>
-<p><img alt="" src="./images/sogo/macosx.add.caldav.account.png" /></p><p style="text-align: center; color: grey;">Document published under a <a href="http://creativecommons.org/licenses/by-nd/3.0/us/" target="_blank">CC BY-ND 3.0</a> license. If you found something wrong, please do <a href="http://www.iredmail.org/contact.html">contact us</a> to fix it.<!-- Google Analytics -->
+<p><img alt="" src="./images/sogo/macosx.add.caldav.account.png" /></p>
+<p>6: Click <code>Create</code> button to create account. You can also enable Reminders (task
+   service) if you want.</p>
+<p><img alt="" src="./images/sogo/macosx.add.reminder.png" /></p><p style="text-align: center; color: grey;">Document published under a <a href="http://creativecommons.org/licenses/by-nd/3.0/us/" target="_blank">CC BY-ND 3.0</a> license. If you found something wrong, please do <a href="http://www.iredmail.org/contact.html">contact us</a> to fix it.<!-- Google Analytics -->
 <script type="text/javascript">
     var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www.");
     document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E"));
diff --git a/mua/sogo.macosx.contacts.md b/mua/sogo.macosx.contacts.md
index a95bbe97..1847ba98 100644
--- a/mua/sogo.macosx.contacts.md
+++ b/mua/sogo.macosx.contacts.md
@@ -1,4 +1,4 @@
-# Mac OS X: Add contact account in Contacts.app
+# Mac OS X: Add contact service (CardDAV) in Contacts.app
 
 > To use contact service (CardDAV protocol), you must choose to install
 > SOGo groupware during iRedMail installation.
diff --git a/mua/sogo.macosx.icalendar.md b/mua/sogo.macosx.icalendar.md
index a38b28cd..88b91366 100644
--- a/mua/sogo.macosx.icalendar.md
+++ b/mua/sogo.macosx.icalendar.md
@@ -1,7 +1,7 @@
-# Mac OS X: Add calendar account in iCalendar.app
+# Mac OS X: Add calendar (CalDAV) and task (Reminders) service in iCalendar.app
 
-> To use calendar service (CalDAV protocol), you must choose to install
-> SOGo groupware during iRedMail installation.
+> To use calendar and task service, you must choose to install SOGo groupware
+> during iRedMail installation.
 
 1: Open application `System Preferences`:
 
@@ -30,3 +30,8 @@
 * Use SSL: checked
 
 ![](./images/sogo/macosx.add.caldav.account.png)
+
+6: Click `Create` button to create account. You can also enable Reminders (task
+   service) if you want.
+
+![](./images/sogo/macosx.add.reminder.png)
