diff --git a/website/www/site/assets/js/page-nav.js b/website/www/site/assets/js/page-nav.js
index 3487421c958c..21e692f3260d 100644
--- a/website/www/site/assets/js/page-nav.js
+++ b/website/www/site/assets/js/page-nav.js
@@ -105,7 +105,7 @@ $(document).ready(function() {
           var items = $(".page-nav > #TableOfContents li");
           var itemTags = $('ul', items).siblings('a');
           var img = document.createElement("img");
-          img.src = "{{ "images/arrow-expandable.svg" | absURL }}";
+        img.src = '{{ "images/arrow-expandable.svg" | absURL }}';
           img.classList="rotate";
 
           $(itemTags).prepend(img);