Update html_helper.rst
diff --git a/user_guide_src/source/helpers/html_helper.rst b/user_guide_src/source/helpers/html_helper.rst
index d5069ce..955ffef 100644
--- a/user_guide_src/source/helpers/html_helper.rst
+++ b/user_guide_src/source/helpers/html_helper.rst
@@ -27,11 +27,11 @@
 
 .. php:function:: heading([$data = ''[, $h = '1'[, $attributes = '']]])
 
-	:param	string		$data: Content
-	:param	string		$h: Heading level
-	:param	array|string	$attributes: HTML attributes
-	:returns:		HTML heading tag
-	:rtype:			string
+	:param	string	$data: Content
+	:param	string	$h: Heading level
+	:param	mixed	$attributes: HTML attributes
+	:returns:	HTML heading tag
+	:rtype:		string
 
 	Lets you create HTML heading tags. The first parameter will contain the
 	data, the second the size of the heading. Example::
@@ -45,7 +45,7 @@
 	as a string or as an array::
 
 		echo heading('Welcome!', 3, 'class="pink"');
-		echo heading('How are you?', 4, array('id'=>'question', 'class'=>'green');
+		echo heading('How are you?', 4, array('id' => 'question', 'class' => 'green'));
 
 	The above code produces: