diff --git a/user_guide/changelog.html b/user_guide/changelog.html
index f52aa77..9817d16 100644
--- a/user_guide/changelog.html
+++ b/user_guide/changelog.html
@@ -94,6 +94,7 @@
 			<li>Modified <kbd>anchor()</kbd> in the <a href="helpers/url_helper.html">URL helper</a> to convert entities in the title attribute (#4209).</li>
 			<li>The <a href="helpers/download_helper.html">Download helper</a> now exits within <kbd>force_download()</kbd>.</li>
 			<li>The <a href="helpers/download_helper.html">Zip class</a> now exits within <kbd>download()</kbd>.</li>
+			<li>Added <kbd>get_dir_file_info()</kbd>, <kbd>get_file_info()</kbd>, and <kbd>get_mime_by_extension()</kbd> to the <a href="helpers/file_helper.html">File Helper</a>.</li>
 		</ul>
     </li>
 	<li>Plugins
@@ -101,11 +102,11 @@
 			<li>Modified captcha generation to first look for the function imagecreatetruecolor, and fallback to imagecreate if it isn't available (#4226).</li>
 		</ul>
 	</li>
-</ul>
+	</ul>
 
 <h3>Bugfixes for 1.6.2</h3>
 <ul>
-    <li>Fixed assorted user guide typos (#3453, #4364, #4379, #4399, #4408, #4412, #4448).</li>
+    <li>Fixed assorted user guide typos (#3453, #4364, #4379, #4399, #4408, #4412, #4448, #4488).</li>
 	<li>Fixed an AR_caching error where it wasn't tracking table aliases (#3463).</li>
 	<li>Fixed an AR bug when joining with a table alias and table prefix (#4400).</li>
 	<li>Fixed a bug in the DB class testing the $params argument.</li>
@@ -145,7 +146,7 @@
 	<li>Helpers
 		<ul>
 			<li>Modified <kbd>get_filenames()</kbd> in the File Helper to return FALSE if the $source_dir is not readable.</li>
-			</ul>
+		</ul>
 	</li>
 </ul>
 
diff --git a/user_guide/helpers/file_helper.html b/user_guide/helpers/file_helper.html
index 80063a6..af724a9 100644
--- a/user_guide/helpers/file_helper.html
+++ b/user_guide/helpers/file_helper.html
@@ -18,7 +18,6 @@
 <meta name='robots' content='all' />
 <meta name='author' content='ExpressionEngine Dev Team' />
 <meta name='description' content='CodeIgniter User Guide' />
-
 </head>
 <body>
 
@@ -89,7 +88,7 @@
 <code>
 $data = 'Some file data';<br />
 <br />
-if ( ! write_file('./path/to/file.php', $data))<br />
+if (! write_file('./path/to/file.php', $data))<br />
 {<br />
 &nbsp;&nbsp;&nbsp;&nbsp; echo 'Unable to write the file';<br />
 }<br />
@@ -110,8 +109,6 @@
 <p class="important"><strong>Note:</strong> The path is relative to your main site index.php file, NOT your controller or view files.
 CodeIgniter uses a front controller so paths are always relative to the main site index.</p>
 
-
-
 <h2>delete_files('<var>path</var>')</h2>
 
 <p>Deletes ALL files contained in the supplied path.  Example:</p>
@@ -123,13 +120,25 @@
 
 <p class="important"><strong>Note:</strong> The files must be writable or owned by the system in order to be deleted.</p>
 
-
 <h2>get_filenames('<var>path/to/directory/</var>')</h2>
 
 <p>Takes a server path as input and returns an array containing the names of all files contained within it. The file path
 can optionally be added to the file names by setting the second parameter to TRUE.</p>
 
+<h2>get_dir_file_info('<var>path/to/directory/</var>')</h2>
 
+<p>Reads the specified directory and builds an array containing the filenames, filesize, dates, and permissions.  Any sub-folders contained within the specified path are read as well.</p>
+
+<h2>get_file_info('<var>path/to/file</var>', <kbd>$file_information</kbd>)</h2>
+
+<p>Given a file and path, returns the name, path, size, date modified. Second parameter allows you to explicitly declare what information you want returned; options are: name, server_path, size, date, readable, writable, executable, fileperms.  Returns FALSE if the file cannot be found.</p>
+
+<p class="important"><strong>Note:</strong> The &quot;writable&quot; uses the PHP function is_writable() which is known to have issues on the IIS webserver. Consider using fileperms instead, which returns information from PHP's fileperms() function.</p>
+<h2>get_mime_by_extension('<var>path/to/file/</var>')</h2>
+
+<p>Translates a file extension into a mime type based on config/mimes.php. Returns FALSE if it can't determine the type, or open the mime config file.</p>
+
+<p class="important"><strong>Note:</strong> This is not an accurate way of determining file mime types, and is here strictly as a convenience. It should not be  used for security.</p>
 </div>
 <!-- END CONTENT -->
 
diff --git a/user_guide/libraries/email.html b/user_guide/libraries/email.html
index a936142..fb784a7 100644
--- a/user_guide/libraries/email.html
+++ b/user_guide/libraries/email.html
@@ -250,7 +250,7 @@
 <p>The Email sending function. Returns boolean TRUE or FALSE based on success or failure, enabling it to be used
 conditionally:</p>
 
-<code>if ( ! $this->email->send())<br />
+<code>if (! $this->email->send())<br />
 {<br />
 &nbsp;&nbsp;&nbsp;&nbsp;// Generate error<br />
 }</code>
diff --git a/user_guide/libraries/encryption.html b/user_guide/libraries/encryption.html
index 8c1766a..913b7b1 100644
--- a/user_guide/libraries/encryption.html
+++ b/user_guide/libraries/encryption.html
@@ -140,7 +140,7 @@
 <p>Please visit php.net for a list of  <a href="http://php.net/mcrypt">available ciphers</a>.</p>
 
 <p>If you'd like to manually test whether your server supports Mcrypt you can use:</p>
-<code>echo ( ! function_exists('mcrypt_encrypt')) ? 'Nope' : 'Yup';</code>
+<code>echo (! function_exists('mcrypt_encrypt')) ? 'Nope' : 'Yup';</code>
 
 
 <h2>$this->encrypt->set_mode();</h2>
diff --git a/user_guide/libraries/file_uploading.html b/user_guide/libraries/file_uploading.html
index a26a7e3..9aa4f71 100644
--- a/user_guide/libraries/file_uploading.html
+++ b/user_guide/libraries/file_uploading.html
@@ -167,7 +167,7 @@
 		
 		$this->load->library('upload', $config);
 	
-		if ( ! $this->upload->do_upload())
+		if (! $this->upload->do_upload())
 		{
 			$error = array('error' => $this->upload->display_errors());
 			
diff --git a/user_guide/libraries/image_lib.html b/user_guide/libraries/image_lib.html
index 1c73804..028414b 100644
--- a/user_guide/libraries/image_lib.html
+++ b/user_guide/libraries/image_lib.html
@@ -132,7 +132,7 @@
 
 <p>A good practice is use the processing function conditionally, showing an error upon failure, like this:</p>
 
-<code>if ( ! $this->image_lib->resize())<br />
+<code>if (! $this->image_lib->resize())<br />
 {<br />
 &nbsp;&nbsp;&nbsp;&nbsp;echo $this->image_lib->display_errors();<br />
 }</code>
@@ -370,7 +370,7 @@
 $this->image_lib->initialize($config);
 <br />
 <br />
-if ( ! $this->image_lib->crop())<br />
+if (! $this->image_lib->crop())<br />
 {<br />
 &nbsp;&nbsp;&nbsp;&nbsp;echo $this->image_lib->display_errors();<br />
 }</code>
@@ -407,7 +407,7 @@
 $this->image_lib->initialize($config);
 <br />
 <br />
-if ( ! $this->image_lib->rotate())<br />
+if (! $this->image_lib->rotate())<br />
 {<br />
 &nbsp;&nbsp;&nbsp;&nbsp;echo $this->image_lib->display_errors();<br />
 }</code>
diff --git a/user_guide/libraries/input.html b/user_guide/libraries/input.html
index feabc48..0b583a0 100644
--- a/user_guide/libraries/input.html
+++ b/user_guide/libraries/input.html
@@ -120,7 +120,7 @@
 In other words, normally you might do something like this:</p>
 
 <code>
-if ( ! isset($_POST['something']))<br />
+if (! isset($_POST['something']))<br />
 {<br />
 &nbsp;&nbsp;&nbsp;&nbsp;$something = FALSE;<br />
 }<br />
@@ -178,7 +178,7 @@
 <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 ( ! valid_ip($ip))<br />
+<code>if (! valid_ip($ip))<br />
 {<br />
 &nbsp;&nbsp;&nbsp;&nbsp; echo 'Not Valid';<br />
 }<br />
diff --git a/user_guide/libraries/trackback.html b/user_guide/libraries/trackback.html
index 513cbf2..6ca1fec 100644
--- a/user_guide/libraries/trackback.html
+++ b/user_guide/libraries/trackback.html
@@ -86,7 +86,7 @@
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;'charset'&nbsp;&nbsp;&nbsp;=> 'utf-8'<br />
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;);<br />
 <br />
-if ( ! $this->trackback->send($tb_data))<br />
+if (! $this->trackback->send($tb_data))<br />
 {<br />
 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;echo $this->trackback->display_errors();<br />
 }<br />
@@ -173,7 +173,7 @@
 &nbsp;&nbsp;&nbsp;&nbsp;$this->trackback->send_error("Unable to determine the entry ID");<br />
 }<br />
 <br />
-if ( ! $this->trackback->receive())<br />
+if (! $this->trackback->receive())<br />
 {<br />
 &nbsp;&nbsp;&nbsp;&nbsp;$this->trackback->send_error("The Trackback did not contain valid data");<br />
 }<br />
diff --git a/user_guide/libraries/xmlrpc.html b/user_guide/libraries/xmlrpc.html
index 8bec465..2f366be 100644
--- a/user_guide/libraries/xmlrpc.html
+++ b/user_guide/libraries/xmlrpc.html
@@ -120,7 +120,7 @@
 $request = array('My Photoblog', 'http://www.my-site.com/photoblog/');<br />
 $this->xmlrpc->request($request);<br />
 <br />
-if ( ! $this->xmlrpc->send_request())<br />
+if (! $this->xmlrpc->send_request())<br />
 {<br />
 &nbsp;&nbsp;&nbsp;&nbsp;echo $this-&gt;xmlrpc->display_error();<br />
 }</code>
@@ -333,7 +333,7 @@
 		$request = array('How is it going?');
 		$this->xmlrpc->request($request);	
 		
-		if ( ! $this->xmlrpc->send_request())
+		if (! $this->xmlrpc->send_request())
 		{
 			echo $this->xmlrpc->display_error();
 		}