diff --git a/_security/access-control/document-level-security.md b/_security/access-control/document-level-security.md
index 352fe06a61..b17b60e147 100644
--- a/_security/access-control/document-level-security.md
+++ b/_security/access-control/document-level-security.md
@@ -13,6 +13,8 @@ Document-level security lets you restrict a role to a subset of documents in an
 
 ![Document- and field-level security screen in OpenSearch Dashboards]({{site.url}}{{site.baseurl}}/images/security-dls.png)
 
+The maximum size for the document-level security configuration is 1024 KB (1,048,404 characters). 
+{: .warning}
 
 ## Simple roles