diff --git a/docs/_includes/options/data/select.html b/docs/_includes/options/data/select.html
index b0be40a7..0e0c98f5 100644
--- a/docs/_includes/options/data/select.html
+++ b/docs/_includes/options/data/select.html
@@ -47,7 +47,7 @@
Select2 will convert the <option>
tag into a data object based on the following rules.
<optgroup>
tags will be converted into data objects using the following rules
-{% highlight js linenos %}
+{% highlight txt linenos %}
{
"text": "label attribute",
"children": [ option data object, ... ],