diff --git a/CNAME b/CNAME
index f0613ab3..6a2913d7 100644
--- a/CNAME
+++ b/CNAME
@@ -1 +1 @@
-notify.nhs.uk
+web-cms.prod.nhsnotify.national.nhs.uk
diff --git a/docs/CNAME b/docs/CNAME
index 352d1ea6..6a2913d7 100644
--- a/docs/CNAME
+++ b/docs/CNAME
@@ -1 +1 @@
-webcms.prod.nhsnotify.national.nhs.uk
+web-cms.prod.nhsnotify.national.nhs.uk