diff --git a/specs/xap-sdp-v1.specs.yaml b/specs/xap-sdp-v1.specs.yaml
index a54806ce3..6e7e881d3 100644
--- a/specs/xap-sdp-v1.specs.yaml
+++ b/specs/xap-sdp-v1.specs.yaml
@@ -54,6 +54,7 @@ paths:
               - ALL_REGIONS
               - BOUNDING_POLYGON
               - HOTEL_TO_REGION_HIERARCHY
+              - ROOM_DETAILS
           example: SUMMARY
         - name: locale
           in: query