diff --git a/catalog-spec/catalog-spec.md b/catalog-spec/catalog-spec.md index c30eb781..038a067e 100644 --- a/catalog-spec/catalog-spec.md +++ b/catalog-spec/catalog-spec.md @@ -94,7 +94,7 @@ The following types are commonly used as `rel` types in the Link Object of a STA | child | URL to a child STAC entity (Catalog or Collection). | | item | URL to a STAC Item. | -**Note:** A link to at least one `item` or `child` (Catalog or Collection) is **REQUIRED**. +**Note:** Empty catalogs are allowed (i.e. without no `item` or `child` link). There are additional `rel` types in the [Using Relation Types](../best-practices.md#using-relation-types) best practice, but as they are more typically used in Collections, as Catalogs tend to just be used to structure STAC organization, so tend to just use diff --git a/catalog-spec/json-schema/catalog.json b/catalog-spec/json-schema/catalog.json index 052052e1..2353839c 100644 --- a/catalog-spec/json-schema/catalog.json +++ b/catalog-spec/json-schema/catalog.json @@ -27,7 +27,7 @@ "title": "Links", "type": "array", "contains": { - "description": "A link to at least one `item` or `child` is REQUIRED in Catalogs.", + "description": "A link `item` or `child`.", "type": "object", "properties": { "rel": {