diff --git a/user_guide/libraries/sessions.html b/user_guide/libraries/sessions.html
index e9302d2..5b9d20f 100644
--- a/user_guide/libraries/sessions.html
+++ b/user_guide/libraries/sessions.html
@@ -12,7 +12,7 @@
 <script type="text/javascript" src="../nav/moo.fx.js"></script>
 <script type="text/javascript">
 window.onload = function() {
-	myHeight = new fx.Height('nav', {duration: 400}); 
+	myHeight = new fx.Height('nav', {duration: 400});
 	myHeight.hide();
 }
 </script>
@@ -63,9 +63,9 @@
 
 <h1>Session Class</h1>
 
-<p>The Session class permits you maintain a user's "state" and track their activity while they browse your site. 
-The Session class stores session information for each user as serialized (and optionally encrypted) data in a cookie. 
-It can also store the session data in a database table for added security, as this permits the session ID in the 
+<p>The Session class permits you maintain a user's "state" and track their activity while they browse your site.
+The Session class stores session information for each user as serialized (and optionally encrypted) data in a cookie.
+It can also store the session data in a database table for added security, as this permits the session ID in the
 user's cookie to be matched against the stored session ID. By default only the cookie is saved.  If you choose to
 use the database option you'll need to create the session table as indicated below.
 </p>
@@ -75,7 +75,7 @@
 
 <h2>Initializing a Session</h2>
 
-<p>Sessions will typically run globally with each page load, so the session class must either be 
+<p>Sessions will typically run globally with each page load, so the session class must either be
 <a href="../general/libraries.html">initialized</a> in your
 <a href="../general/controllers.html">controller</a> constructors, or it can be
 <a href="../general/autoloader.html">auto-loaded</a> by the system.
@@ -91,8 +91,8 @@
 
 <h2>How do Sessions work?</h2>
 
-<p>When a page is loaded, the session class will check to see if valid session data exists in the user's session cookie. 
-If sessions data does <strong>not</strong> exist (or if it has expired) a new session will be created and saved in the cookie. 
+<p>When a page is loaded, the session class will check to see if valid session data exists in the user's session cookie.
+If sessions data does <strong>not</strong> exist (or if it has expired) a new session will be created and saved in the cookie.
 If a session does exist, its information will be updated and the cookie will be updated.</p>
 
 <p>It's important for you to understand that once initialized, the Session class runs automatically.  There is nothing
@@ -137,7 +137,7 @@
 
 <code>$this->session->userdata('<samp>item</samp>');</code>
 
-<p>Where <samp>item</samp> is the array index corresponding to the item you wish to fetch.  For example, to fetch the session ID you 
+<p>Where <samp>item</samp> is the array index corresponding to the item you wish to fetch.  For example, to fetch the session ID you
 will do this:</p>
 
 <code>$session_id = $this->session->userdata('<samp>session_id</samp>');</code>
@@ -176,13 +176,13 @@
 
 <p>While the session data array stored in the user's cookie contains a Session ID,
 unless you store session data in a database there is no way to validate it.  For some applications that require little or no
-security, session ID validation may not be needed, but if your application requires security, validation is mandatory.</p> 
+security, session ID validation may not be needed, but if your application requires security, validation is mandatory.</p>
 
 <p>When session data is available in a database, every time a valid session is found in the user's cookie, a database
 query is performed to match it.  If the session ID does not match, the session is destroyed.  Session IDs can never
 be updated, they can only be generated when a new session is created.</p>
 
-<p>In order to store sessions, you must first create a database table for this purpose.  Here is the basic 
+<p>In order to store sessions, you must first create a database table for this purpose.  Here is the basic
 prototype (for MySQL) required by the session class:</p>
 
 <textarea class="textarea" style="width:100%" cols="50" rows="8">
@@ -232,7 +232,7 @@
 <td class="td"><strong>sess_expiration</strong></td>
 <td class="td">7200</td>
 <td class="td">None</td>
-<td class="td">The number of seconds you would like the session to last. The default value is 2 hours (7200 seconds). 
+<td class="td">The number of seconds you would like the session to last. The default value is 2 hours (7200 seconds).
 If you would like a non-expiring session set the value to zero: 0</td>