diff --git a/docs/_includes/nav.md b/docs/_includes/nav.md
index 66453598..168e1cf5 100644
--- a/docs/_includes/nav.md
+++ b/docs/_includes/nav.md
@@ -22,6 +22,7 @@
     - [File Transfer Protocols]({{ site.baseurl }}{% link configuration/file-transfer-protocols.md %})
     - [Email]({{ site.baseurl }}{% link configuration/email.md %})
     - [Colour Codes]({{ site.baseurl }}{% link configuration/colour-codes.md %})
+    - [Access Condition System (ACS)]({{ site.baseurl }}{% link configuration/acs.md %})
     - Scheduled jobs