Update access-api-howto.md

Author: Juliako

articles/media-services/latest/access-api-howto.md

@@ -12,7 +12,7 @@ ms.workload: media
 ms.tgt_pltfrm: na
 ms.devlang: na
 ms.topic: how-to
-ms.date: 03/15/2020
+ms.date: 05/21/2020
 ms.author: juliako
 ---
 # Get credentials to access Media Services API