diff --git a/README.md b/README.md
index 570053b..eadf7c2 100644
--- a/README.md
+++ b/README.md
@@ -12,9 +12,9 @@ It allows adding details related to cloud object storage access and costs to be
 This extension does not cover NFS solutions provided by PaaS cloud companies.
 
 - Examples:
-  - [NAIP Item](examples/item-naip.json): Shows the usage of the extension in combination with the alternate asset extension.
-  - [NSL Item](examples/item-nsl.json): Shows a mixture of storage providers, including custom S3 hosts.
-  - [Catalog with Link](examples/catalog-link.json): Shows the usage of the extension on a link in a STAC Catalog.
+  - [NAIP Item](examples/item-naip.json): Shows a mixture of storage providers, including custom S3 hosts.
+  - [NSL Item](examples/item-nsl.json): Shows the usage of the extension in combination with the alternate asset extension.
+  - [Catalog with Link](examples/catalog-link.json): Shows the usage of the extension on a link in a STAC Catalog and in combination with the authentication extension.
 - [JSON Schema](json-schema/schema.json)
 - [Changelog](./CHANGELOG.md)
 
diff --git a/examples/catalog-link.json b/examples/catalog-link.json
index d3a8de9..711f6ec 100644
--- a/examples/catalog-link.json
+++ b/examples/catalog-link.json
@@ -1,7 +1,8 @@
 {
   "stac_version": "1.0.0",
   "stac_extensions": [
-    "https://stac-extensions.github.io/storage/v2.0.0/schema.json"
+    "https://stac-extensions.github.io/storage/v2.0.0/schema.json",
+    "https://stac-extensions.github.io/authentication/v1.0.0/schema.json"
   ],
   "type": "Catalog",
   "id": "20190822T183518Z_746_POM1_ST2_P",
@@ -15,6 +16,11 @@
       "tier": "Standard"
     }
   },
+  "auth:schemes": {
+    "aws": {
+      "type": "s3"
+    }
+  },
   "links": [
     {
       "href": "https://example.com/examples/catalog-link.json",
@@ -27,6 +33,9 @@
       "rel": "about",
       "storage:refs": [
         "aws"
+      ],
+      "auth:refs": [
+        "aws"
       ]
     }
   ]