diff --git a/dev-docs/bidders/appnexus.md b/dev-docs/bidders/appnexus.md
index 7bf3ab2c0d..d369828d6a 100644
--- a/dev-docs/bidders/appnexus.md
+++ b/dev-docs/bidders/appnexus.md
@@ -7,7 +7,7 @@ hide: true
 media_types: banner, video, native
 gdpr_supported: true
 prebid_member: true
-userIds: criteo
+userIds: criteo, unifiedId
 schain_supported: true
 coppa_supported: true
 usp_supported: true