diff --git a/src/chrome/content/rules/NVMExpress.org.xml b/src/chrome/content/rules/NVMExpress.org.xml
index c4c2ea4c9d4a..4cc0d250c399 100644
--- a/src/chrome/content/rules/NVMExpress.org.xml
+++ b/src/chrome/content/rules/NVMExpress.org.xml
@@ -1,3 +1,8 @@
+<!--
+	Invalid certificate:
+		- www.nvmexpress.org
+-->
+
 <ruleset name="NVMExpress.org">
 	<target host="nvmexpress.org" />
 	<target host="www.nvmexpress.org" />