diff --git a/versions/1.0.0.md b/versions/1.0.0.md
index 1b04022..0f71c44 100644
--- a/versions/1.0.0.md
+++ b/versions/1.0.0.md
@@ -237,14 +237,14 @@ version: 1.0.1
 
 Describes a source description (such as an OpenAPI description) that will be referenced by one or more workflows described within a Workflows Description.
 
-An object storing a map between named description keys and location URLs to the source descriptions (such as an OpenAPI description) this workflow SHALL apply to. Each source location `string` MUST be in the form of a [URL](https://url.spec.whatwg.org/). MAY be defined using relative references as defined by [RFC3986](https://spec.openapis.org/oas/latest.html#bib-RFC3986).
+An object storing a map between named description keys and location URLs to the source descriptions (such as an OpenAPI description) this workflow SHALL apply to. Each source location `string` MUST be in the form of a URI-reference as defined by [RFC3986 section 4.1](https://datatracker.ietf.org/doc/html/rfc3986#section-4.1).
 
 ##### Fixed Fields
 
 Field Name | Type | Description
 ---|:---:|---
 <a name="sourceName"></a>name | `string` | **REQUIRED**. A unique name for the source description. Tools and libraries MAY use the `name` to uniquely identify a source description, therefore, it is RECOMMENDED to follow common programming naming conventions. SHOULD conform to the regular expression `[A-Za-z0-9_\-]+`.
-<a name="sourceURL"></a>url | `string` | **REQUIRED**. A URL to a source description to be used by a Workflow. MUST be in the form of a [URL](https://url.spec.whatwg.org/). MAY be defined using relative references as defined by [RFC3986](https://spec.openapis.org/oas/latest.html#bib-RFC3986).
+<a name="sourceURL"></a>url | `string` | **REQUIRED**. A URL to a source description to be used by a Workflow. If a relative reference is used, it MUST be in the form of a URI-reference as defined by [RFC3986 section 4.2](https://datatracker.ietf.org/doc/html/rfc3986#section-4.2).
 <a name="infoType"></a>type | `string` | The type of source description. Possible values are `"openapi"` or `"workflowsSpec"`.