diff --git a/user_guide/libraries/input.html b/user_guide/libraries/input.html
index 08b8ab0..6070b6c 100644
--- a/user_guide/libraries/input.html
+++ b/user_guide/libraries/input.html
@@ -70,20 +70,20 @@
 
 <h2>Security Filtering</h2>
 
-<p>The security filtering function is called automatically when a new <a href="../general/controllers.html">controller</a> is invoked.  It does the following:</p>
+<p>The security filtering function is called automatically when a new <a href="../general/controllers.html">controller</a> is invoked. It does the following:</p>
 
 <ul>
-<li>Destroys the global GET array.  Since CodeIgniter does not utilize GET strings, there is no reason to allow it.</li>
+<li>Destroys the global GET array. Since CodeIgniter does not utilize GET strings, there is no reason to allow it.</li>
 <li>Destroys all global variables in the event register_globals is turned on.</li>
 <li>Filters the POST/COOKIE array keys, permitting only alpha-numeric (and a few other) characters.</li>
-<li>Provides XSS (Cross-site Scripting Hacks) filtering.  This can be enabled globally, or upon request.</li>
+<li>Provides XSS (Cross-site Scripting Hacks) filtering. This can be enabled globally, or upon request.</li>
 <li>Standardizes newline characters to \n</li>
 </ul>
 
 
 <h2>XSS Filtering</h2>
 
-<p>The Input class has the ability to filter input automatically to prevent cross-site scripting attacks.  If you want the filter to run automatically every time it encounters POST or COOKIE data you can enable it by opening your
+<p>The Input class has the ability to filter input automatically to prevent cross-site scripting attacks. If you want the filter to run automatically every time it encounters POST or COOKIE data you can enable it by opening your
 <kbd>application/config/config.php</kbd> file and setting this:</p>
 
 <code>$config['global_xss_filtering'] = TRUE;</code>
@@ -93,9 +93,9 @@
 
 <h2>Using POST, COOKIE, or SERVER Data</h2>
 
-<p>CodeIgniter comes with three helper functions that let you fetch POST, COOKIE or SERVER items.  The main advantage of using the provided
+<p>CodeIgniter comes with three helper functions that let you fetch POST, COOKIE or SERVER items. The main advantage of using the provided
 functions rather than fetching an item directly ($_POST['something']) is that the functions will check to see if the item is set and
-return false (boolean) if not.  This lets you conveniently use data without having to test whether an item exists first.
+return false (boolean) if not. This lets you conveniently use data without having to test whether an item exists first.
 In other words, normally you might do something like this:</p>
 
 <code>
@@ -128,7 +128,7 @@
 
 <p>The function returns FALSE (boolean) if the item you are attempting to retrieve does not exist.</p>
 
-<p>The second optional parameter lets you run the data through the XSS filter.  It's enabled by setting the second parameter to boolean TRUE;</p>
+<p>The second optional parameter lets you run the data through the XSS filter. It's enabled by setting the second parameter to boolean TRUE;</p>
 
 <code>$this->input->post('some_data', TRUE);</code>
 
@@ -179,7 +179,7 @@
 
 <h2>$this->input->set_cookie()</h2>
 
-<p>Sets a cookie containing the values you specify.  There are two ways to pass information to this function so that a cookie can be set:
+<p>Sets a cookie containing the values you specify. There are two ways to pass information to this function so that a cookie can be set:
 Array Method, and Discrete Parameters:</p>
 
 <h4>Array Method</h4>
@@ -203,10 +203,10 @@
 
 <p>Only the name and value are required. To delete a cookie set it with the expiration blank.</p>
 
-<p>The expiration is set in <strong>seconds</strong>, which will be added to the current time.  Do not include the time, but rather only the
-number of seconds from <em>now</em> that you wish the cookie to be valid.  If the expiration is set to
+<p>The expiration is set in <strong>seconds</strong>, which will be added to the current time. Do not include the time, but rather only the
+number of seconds from <em>now</em> that you wish the cookie to be valid. If the expiration is set to
 zero the cookie will only last as long as the browser is open.</p>
-<p>For site-wide cookies regardless of how your site is requested, add your URL to the <strong>domain</strong> starting with a period, like this:  .your-domain.com</p>
+<p>For site-wide cookies regardless of how your site is requested, add your URL to the <strong>domain</strong> starting with a period, like this: .your-domain.com</p>
 <p>The path is usually not needed since the function sets a root path.</p>
 <p>The prefix is only needed if you need to avoid name collisions with other identically named cookies for your server.</p>
 <p>The secure boolean is only needed if you want to make it a secure cookie by setting it to TRUE.</p>
@@ -219,25 +219,25 @@
 
 <h2>$this->input->cookie()</h2>
 
-<p>Lets you fetch a cookie.  The first parameter will contain the name of the cookie you are looking for (including any prefixes):</p>
+<p>Lets you fetch a cookie. The first parameter will contain the name of the cookie you are looking for (including any prefixes):</p>
 
 <code>cookie('some_cookie');</code>
 
 <p>The function returns FALSE (boolean) if the item you are attempting to retrieve does not exist.</p>
 
-<p>The second optional parameter lets you run the data through the XSS filter.  It's enabled by setting the second parameter to boolean TRUE;</p>
+<p>The second optional parameter lets you run the data through the XSS filter. It's enabled by setting the second parameter to boolean TRUE;</p>
 
 <p><code>cookie('some_cookie', TRUE);</code></p>
 
 
 <h2>$this->input->ip_address()</h2>
-<p>Returns the IP address for the current user.  If the IP address is not valid, the function will return an IP of: 0.0.0.0</p>
+<p>Returns the IP address for the current user. If the IP address is not valid, the function will return an IP of: 0.0.0.0</p>
 <code>echo $this->input->ip_address();</code>
 
 
 <h2>$this->input->valid_ip(<var>$ip</var>)</h2>
 
-<p>Takes an IP address as input and returns TRUE or FALSE (boolean) if it is valid or not.  Note:  The $this->input->ip_address() function above
+<p>Takes an IP address as input and returns TRUE or FALSE (boolean) if it is valid or not. Note: The $this->input->ip_address() function above
 validates the IP automatically.</p>
 
 <code>if ( ! $this-&gt;input-&gt;valid_ip($ip))<br />
@@ -256,7 +256,7 @@
 <p>See the <a href="user_agent.html">User Agent Class</a> for methods which extract information from the user agent string.</p>
 
 <h2>$this->input->request_headers()</h2>
-<p>Useful if running in a non-Apache environment where <a href="http://php.net/apache_request_headers">apache_request_headers()</a> will not be supported.  Returns an array of headers.</p>
+<p>Useful if running in a non-Apache environment where <a href="http://php.net/apache_request_headers">apache_request_headers()</a> will not be supported. Returns an array of headers.</p>
 
 <code>$headers = $this->input->request_headers();</code>