diff --git a/system/libraries/Encrypt.php b/system/libraries/Encrypt.php
index 50b3fab..b7dba25 100644
--- a/system/libraries/Encrypt.php
+++ b/system/libraries/Encrypt.php
@@ -272,15 +272,15 @@
 	// --------------------------------------------------------------------
 
 	/**
-	 * Set the Mcrypt Cypher
+	 * Set the Mcrypt Cipher
 	 *
 	 * @access	public
 	 * @param	constant
 	 * @return	string
 	 */
-	function set_cypher($cypher)
+	function set_cipher($cipher)
 	{
-		$this->_mcrypt_cipher = $cypher;
+		$this->_mcrypt_cipher = $cipher;
 	}
   	
 	// --------------------------------------------------------------------
@@ -300,12 +300,12 @@
 	// --------------------------------------------------------------------
 
 	/**
-	 * Get Mcrypt Cypher Value
+	 * Get Mcrypt cipher Value
 	 *
 	 * @access	private
 	 * @return	string
 	 */	
-	function _get_cypher()
+	function _get_cipher()
 	{
 		if ($this->_mcrypt_cipher == '') 
 		{
diff --git a/user_guide/libraries/encryption.html b/user_guide/libraries/encryption.html
index df5c6eb..3a774e2 100644
--- a/user_guide/libraries/encryption.html
+++ b/user_guide/libraries/encryption.html
@@ -138,11 +138,11 @@
 $plaintext_string = $this->encrypt->decode($encrypted_string);</code>

 

 

-<h2>$this->encrypt->set_cypher();</h2>

+<h2>$this->encrypt->set_cipher();</h2>

 

-<p>Permits you to set an Mcrypt cypher.  By default it uses <samp>MCRYPT_RIJNDAEL_256</samp>.  Example:

-<code>$this->encrypt->set_cypher('MCRYPT_BLOWFISH');</code>

-<p>Please visit php.net for a list of  <a href="http://php.net/mcrypt">available cyphers</a>.</p>

+<p>Permits you to set an Mcrypt cipher.  By default it uses <samp>MCRYPT_RIJNDAEL_256</samp>.  Example:

+<code>$this->encrypt->set_cipher('MCRYPT_BLOWFISH');</code>

+<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>