diff --git a/otc_metadata/data/documents/cfw-api-ref.yaml b/otc_metadata/data/documents/cfw-api-ref.yaml
index 341095da..330f95be 100644
--- a/otc_metadata/data/documents/cfw-api-ref.yaml
+++ b/otc_metadata/data/documents/cfw-api-ref.yaml
@@ -1,4 +1,5 @@
 ---
+environment: internal
 hc_location: api/cfw
 html_location: docs/cfw/api-ref
 link: /cloud-firewall/api-ref/
diff --git a/otc_metadata/data/documents/cfw-umn.yaml b/otc_metadata/data/documents/cfw-umn.yaml
index 911a3939..3a7e24af 100644
--- a/otc_metadata/data/documents/cfw-umn.yaml
+++ b/otc_metadata/data/documents/cfw-umn.yaml
@@ -1,4 +1,5 @@
 ---
+environment: internal
 hc_location: usermanual/cfw
 html_location: docs/cfw/umn
 link: /cloud-firewall/umn/