diff --git a/includes/utilities.php b/includes/utilities.php
index 7e2333d..b9954fc 100644
--- a/includes/utilities.php
+++ b/includes/utilities.php
@@ -120,6 +120,7 @@ function apply_footnotes_urls_to_content($content)
 
 	$links = $dom->getElementsByTagName('a');
 	foreach ($links as $key => $link) {
+		write_log($key);
 		if ($link->hasAttribute('class') && strpos($link->getAttribute('class'), 'footnote-reference') !== false) {
 			$link->setAttribute('id', 'footnote-' . $key + 1);
 			write_log($link->getAttribute('id'));