From d56d5e0211f6bfa8326aeb5153f22cea7a18026a Mon Sep 17 00:00:00 2001 From: Qian Zhang Date: Fri, 21 Apr 2017 08:52:51 +0800 Subject: [PATCH] descriptor.md: add descriptions for the extended field Signed-off-by: Qian Zhang --- descriptor.md | 2 ++ 1 file changed, 2 insertions(+) diff --git a/descriptor.md b/descriptor.md index 2538bb514..a231a1238 100644 --- a/descriptor.md +++ b/descriptor.md @@ -44,6 +44,8 @@ The following fields contain the primary properties that constitute a Descriptor This OPTIONAL property contains arbitrary metadata for this descriptor. This OPTIONAL property MUST use the [annotation rules](annotations.md#rules). +Descriptors pointing to [`application/vnd.oci.image.manifest.v1+json`](manifest.md) SHOULD include the extended field `platform`, see [Image Index Property Descriptions](image-index.md#image-index-property-descriptions) for details. + ### Reserved The following field keys are reserved and MUST NOT be used by other specifications.