layer: change to "non-distributable" over foreign

Signed-off-by: Stephen J Day <stephen.day@docker.com>
opencontainers · Sep 9, 2016 · e48e595 · e48e595
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diff --git a/layer.md b/layer.md
@@ -270,12 +270,12 @@ Implementations SHOULD generate layers using _explicit whiteout_ files, but MUST
 
 Any given image is likely to be composed of several of these Image Filesystem Changeset tar archives.
 
-# Foreign Layers
+# Non-Distributable Layers
 
 Certain layers, due to legal requirements, may not be regularly distributable.
 Typically, such layers are downloaded directly from a distributor but are never uploaded.
 
-Layers that have these restrictions SHOULD be tagged with an alternative mediatype of `application/vnd.oci.image.layer.foreign.tar+gzip`.
+Layers that have these restrictions SHOULD be tagged with an alternative mediatype of `application/vnd.oci.image.layer.nondistributable.tar+gzip`.
 [Descriptors](descriptor.md) referencing these layers MAY include `urls` for downloading these layers.
 It is implementation defined whether or not implementations upload layers tagged with this media type.
 

diff --git a/media-types.md b/media-types.md
@@ -7,7 +7,7 @@ The following `mediaType` MIME types are used by the formats described here, and
 - `application/vnd.oci.image.manifest.v1+json`: [Image manifest format](manifest.md#image-manifest)
 - `application/vnd.oci.image.config.v1+json`: [Container config JSON](serialization.md)
 - `application/vnd.oci.image.layer.tar+gzip`: ["Layer", as a gzipped tar archive](layer.md)
-- `application/vnd.oci.image.layer.foreign.tar+gzip`: ["Layer", as a gzipped tar that has distribution restrictions](layer.md#foreign-layers)
+- `application/vnd.oci.image.layer.nondistributable.tar+gzip`: ["Layer", as a gzipped tar that has distribution restrictions](layer.md#non-distributable-layers)
 
 ## Compatibility Matrix