diff --git a/htdocs/core/tpl/ajaxfileupload.tpl.php b/htdocs/core/tpl/ajaxfileupload.tpl.php
index 1710bc02709..e47092dc00d 100644
--- a/htdocs/core/tpl/ajaxfileupload.tpl.php
+++ b/htdocs/core/tpl/ajaxfileupload.tpl.php
@@ -41,6 +41,7 @@
 	</tr>
 </script>
 
+<!-- Warning id on script is not W3C compliant and is reported as error by phpcs but it is required by jfilepload plugin -->
 <script id="template-download" type="text/x-jquery-tmpl">
     <tr class="template-download{{if error}} ui-state-error{{/if}}">
         {{if error}}