diff --git a/docs/en/reference/shortcodes.md b/docs/en/reference/shortcodes.md
index 9a8cf6e98..22b6378c3 100644
--- a/docs/en/reference/shortcodes.md
+++ b/docs/en/reference/shortcodes.md
@@ -85,8 +85,8 @@ plus some `width` and `height` arguments. We'll add defaults to those in our sho
 			urlencode($address),
 			urlencode($address)
 		);
-		$width = (isset($args['width']) && $args['width']) ? $args['width'] : 400;
-		$height = (isset($args['height']) && $args['height']) ? $args['height'] : 300;
+		$width = (isset($arguments['width']) && $arguments['width']) ? $arguments['width'] : 400;
+		$height = (isset($arguments['height']) && $arguments['height']) ? $arguments['height'] : 300;
 		return sprintf(
 			'<iframe width="%d" height="%d" src="%s" frameborder="0" scrolling="no" marginheight="0" marginwidth="0"></iframe>',
 			$width,