diff --git a/docs/b2b-edition/specs/api-v3/authentication.yaml b/docs/b2b-edition/specs/api-v3/authentication.yaml
index caa4b9b43..7f971f8b1 100644
--- a/docs/b2b-edition/specs/api-v3/authentication.yaml
+++ b/docs/b2b-edition/specs/api-v3/authentication.yaml
@@ -592,7 +592,13 @@ paths:
                   type: integer
                   description: BigCommerce channel ID
                 customerAccessToken:
-                  type: string
+                  type: object
+                  properties:
+                    expires_at:
+                      type: string
+                      description: An ISO format date
+                    value:
+                      type: string
                   description: BigCommerce Customer Access Token
               required:
                 - customerId
@@ -601,7 +607,9 @@ paths:
                 value:
                   customerId: 999
                   channelId: 1
-                  customerAccessToken: <sometoken>
+                  customerAccessToken:
+                    value: sometoken
+                    expires_at: 2024-12-31T00:00:00.0Z
       tags:
         - Auth
 components: