[ci skip] Fix #3515
diff --git a/user_guide_src/source/libraries/security.rst b/user_guide_src/source/libraries/security.rst
index a39ef59..27e6e56 100644
--- a/user_guide_src/source/libraries/security.rst
+++ b/user_guide_src/source/libraries/security.rst
@@ -110,9 +110,9 @@
 Class Reference
 ***************
 
-.. class:: CI_Security
+.. php:class:: CI_Security
 
-	.. method:: xss_clean($str[, $is_image = FALSE])
+	.. php:method:: xss_clean($str[, $is_image = FALSE])
 
 		:param	mixed	$str: Input string or an array of strings
 		:returns:	XSS-clean data
@@ -121,7 +121,7 @@
 		Tries to remove XSS exploits from the input data and returns the cleaned string.
 		If the optional second parameter is set to true, it will return boolean TRUE if the image is safe to use and FALSE if malicious data was detected in it.
 
-	.. method:: sanitize_filename($str[, $relative_path = FALSE])
+	.. php:method:: sanitize_filename($str[, $relative_path = FALSE])
 
 		:param	string	$str: File name/path
 		:param	bool	$relative_path: Whether to preserve any directories in the file path
@@ -140,14 +140,14 @@
 
 			$filename = $this->security->sanitize_filename($this->input->post('filename'), TRUE);
 
-	.. method:: get_csrf_token_name()
+	.. php:method:: get_csrf_token_name()
 
 		:returns:	CSRF token name
 		:rtype:	string
 
 		Returns the CSRF token name (the ``$config['csrf_token_name']`` value).
 
-	.. method:: get_csrf_hash()
+	.. php:method:: get_csrf_hash()
 
 		:returns:	CSRF hash
 		:rtype:	string
@@ -155,7 +155,7 @@
 		Returns the CSRF hash value. Useful in combination with ``get_csrf_token_name()``
 		for manually building forms or sending valid AJAX POST requests.
 
-	.. method:: entity_decode($str[, $charset = NULL])
+	.. php:method:: entity_decode($str[, $charset = NULL])
 
 		:param	string	$str: Input string
 		:param	string	$charset: Character set of the input string
@@ -167,7 +167,7 @@
 
 		If the ``$charset`` parameter is left empty, then your configured ``$config['charset']`` value will be used.
 
-	.. method:: get_random_bytes($length)
+	.. php:method:: get_random_bytes($length)
 
 		:param	int	$length: Output length
 		:returns:	A binary stream of random bytes or FALSE on failure