diff --git a/otc_metadata/data/documents/apiu-guidelines.yaml b/otc_metadata/data/documents/apiu-guidelines.yaml
index 8bc7bd64..8bf7a57f 100644
--- a/otc_metadata/data/documents/apiu-guidelines.yaml
+++ b/otc_metadata/data/documents/apiu-guidelines.yaml
@@ -1,4 +1,5 @@
 ---
+environment: internal
 hc_location: api-usage/guidelines
 html_location: docs/apiu/guidelines
 link: /api-usage/guidelines/