diff --git a/user_guide/libraries/user_agent.html b/user_guide/libraries/user_agent.html
index 944f1ed..d2f79d2 100644
--- a/user_guide/libraries/user_agent.html
+++ b/user_guide/libraries/user_agent.html
@@ -111,9 +111,34 @@
 <h2>$this->agent->is_browser()</h2>
 <p>Returns TRUE/FALSE (boolean) if the user agent is a known web browser.</p>
 
+<code> if ($this->agent->is_browser('Safari'))<br />
+{<br />
+&nbsp;&nbsp;&nbsp;&nbsp;echo 'You are using Safari.';<br />
+}<br />
+else if ($this->agent->is_browser())<br />
+{<br />
+&nbsp;&nbsp;&nbsp;&nbsp;echo 'You are using a browser.';<br />
+}</code>
+
+<p class="important"><strong>Note:</strong>&nbsp; The string "Safari" in this example is an array key in the list of browser definitions.
+You can find this list in <dfn>application/config/user_agents.php</dfn> if you want to add new browsers or change the stings.</p>
+
 <h2>$this->agent->is_mobile()</h2>
 <p>Returns TRUE/FALSE (boolean) if the user agent is a known mobile device.</p>
 
+<code> if ($this->agent->is_mobile('iphone'))<br />
+{<br />
+&nbsp;&nbsp;&nbsp;&nbsp;$this->load->view('iphone/home');<br />
+}<br />
+else if ($this->agent->is_mobile())<br />
+{<br />
+&nbsp;&nbsp;&nbsp;&nbsp;$this->load->view('mobile/home');<br />
+}<br/>
+else<br />
+{<br />
+&nbsp;&nbsp;&nbsp;&nbsp;$this->load->view('web/home');<br />
+}</code>
+
 <h2>$this->agent->is_robot()</h2>
 <p>Returns TRUE/FALSE (boolean) if the user agent is a known robot.</p>