removed mention of last_visit from session docs
diff --git a/user_guide/libraries/sessions.html b/user_guide/libraries/sessions.html
index 03d15f1..1178011 100644
--- a/user_guide/libraries/sessions.html
+++ b/user_guide/libraries/sessions.html
@@ -103,7 +103,7 @@
 <li>The user's unique Session ID (this is a statistically random string with very strong entropy, hashed with MD5 for portability, and regenerated (by default) every five minutes)</li>

 <li>The user's IP Address</li>

 <li>The user's User Agent data (the first 50 characters of the browser data string)</li>

-<li>The "last activity" and "last visit" time stamps.</li>

+<li>The "last activity"  time stamp.</li>

 </ul>

 

 <p>The above data is stored in a cookie as a serialized array with this prototype:</p>

@@ -113,8 +113,7 @@
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'session_id'&nbsp;&nbsp;&nbsp;&nbsp;=> random hash,<br />

 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'ip_address'&nbsp;&nbsp;&nbsp;&nbsp;=> 'string - user IP address',<br />

 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'user_agent'&nbsp;&nbsp;&nbsp;&nbsp;=> 'string - user agent data',<br />

-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'last_activity' => timestamp,<br />

-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'last_visit'&nbsp;&nbsp;&nbsp;&nbsp;=> timestamp<br />

+&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'last_activity' => timestamp<br />

 )</code>

 

 <p>If you have the encryption option enabled, the serialized array will be encrypted before being stored in the cookie,