diff --git a/user_guide/changelog.html b/user_guide/changelog.html
index 56f750b..d5bf1b7 100644
--- a/user_guide/changelog.html
+++ b/user_guide/changelog.html
@@ -108,6 +108,7 @@
 				Please see the <a href="./installation/upgrade_200.html">upgrade instructions</a> for details.</li>
 			<li>Altered Form_Validation library to allow for method chaining on <kbd>set_rules()</kbd>, <kbd>set_message()</kbd> and <kbd>set_error_delimiters()</kbd> functions.</li>
 			<li>Altered Email Library to allow for method chaining.</li>
+			<li>Added <kbd>request_headers()</kbd> and <kbd>get_request_header</kbd> to the input class.</li>
 		</ul>
 	</li>
 	<li>Database
diff --git a/user_guide/libraries/input.html b/user_guide/libraries/input.html
index 4c12fd7..7044213 100644
--- a/user_guide/libraries/input.html
+++ b/user_guide/libraries/input.html
@@ -233,7 +233,15 @@
 <code>echo $this->input->user_agent();</code>
 
 
+<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>
 
+<code>$headers = $this->input->request_headers();</code>
+
+<h2>$this->input->get_request_header();</h2>
+<p>Returns a single 
+
+<code>$this->input->get_request_header('some-header', TRUE);</code>
 
 </div>
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