diff --git a/website/content/api-docs/index.mdx b/website/content/api-docs/index.mdx
index a0194850a3..d57d86b18a 100644
--- a/website/content/api-docs/index.mdx
+++ b/website/content/api-docs/index.mdx
@@ -97,6 +97,15 @@ action if no intention matches.
 
 This is returned even if ACLs are disabled.
 
+## Results Filtered by ACLs
+
+As of Consul 1.11, most list endpoints support an `X-Consul-Results-Filtered-By-ACLs`
+HTTP response header. This indicates that the response contains a partial subset
+of results, because some have been filtered out by ACL policies.
+
+In order to limit information leakage, this header is only present for requests
+authenticated by a valid ACL token.
+
 ## UUID Format
 
 UUID-format identifiers generated by the Consul API use the