fix image

Signed-off-by: Craig <[email protected]>

Author: craig-osterhout

content/reference/drivers-and-specifications/token-authorization/images/v2-registry-auth.png

@@ -8,7 +8,7 @@ keywords: registry, on-prem, images, tags, repository, distribution, Bearer auth
 
 This document outlines the v2 Docker registry authentication scheme:
 
-![v2 registry auth](../images/v2-registry-auth.png)
+![v2 registry auth](./images/v2-registry-auth.png)
 
 1. Attempt to begin a push/pull operation with the registry.
 2. If the registry requires authorization it will return a `401 Unauthorized`