diff --git a/documentation/docs/articles/extensions/openpanel-and-whmcs.md b/documentation/docs/articles/extensions/openpanel-and-whmcs.md
index ee85ef5d..717fecd0 100644
--- a/documentation/docs/articles/extensions/openpanel-and-whmcs.md
+++ b/documentation/docs/articles/extensions/openpanel-and-whmcs.md
@@ -1,4 +1,4 @@
-OpenPanel Enterprise edition has billing integrations with WHMCS and FOSSBilling.
+OpenPanel Enterprise edition has billing integrations with WHMCS and [FOSSBilling](/docs/articles/extensions/openpanel-and-fossbilling).
 
 OpenPanel WHMCS module allows users to integrate billing automations with their OpenPanel server.