Fix valid, but failing GH project link for #1620. (#1621)

CONTRIBUTING.md

@@ -27,7 +27,7 @@ This page is for potential contributors to the OSCAL project. It provides basic
 
 The approach we’re taking with OSCAL is agile. We’re adopting the philosophy of implementing the 20% of the functionality that solves 80% of the problem. We’re trying to focus on the core capabilities that are needed to provide the greatest amount of benefit. Because we’re working on a small set of capabilities, that allows us to make very fast progress. We’re building the features that we believe solve the biggest problems, so we’re providing the most value.
 
-We track our current work items using GitHub [project cards](../../projects). The active project is typically the lowest numbered open project within the previously referenced page.
+We track our current work items using GitHub [project cards](https://github.com/orgs/usnistgov/projects/25). The active project is typically the lowest numbered open project within the previously referenced page.
 
 ## Contribution options
 
@@ -97,7 +97,7 @@ This repository consists of the following directories and files pertaining to th
 
 # Contributing to a Development Sprint
 
-The NIST OSCAL team is using the GitHub [project cards](../../projects) feature to track development sprints as part of the core OSCAL work stream. A typical development sprint lasts roughly a month, with some sprints lasting slightly less or more to work around major holidays or events attended by the core project team. The active sprint is typically the lowest numbered open project within the previously referenced page.
+The NIST OSCAL team is using the GitHub [project cards](https://github.com/orgs/usnistgov/projects/25) feature to track development sprints as part of the core OSCAL work stream. A typical development sprint lasts roughly a month, with some sprints lasting slightly less or more to work around major holidays or events attended by the core project team. The active sprint is typically the lowest numbered open project within the previously referenced page.
 
 ## User Stories
 

docs/content/contribute/_index.md

@@ -23,7 +23,7 @@ We use GitHub as a collaboration platform for the development of the OSCAL model
 
 - A [set of issues](https://github.com/usnistgov/OSCAL/issues?q=is%3Aopen+is%3Aissue+label%3A%22help+wanted%22) for which we need your help. Feel free to pick from this list, or [reach out to us](/contact/) about any other ideas you might have.
 - [Guidelines](https://github.com/usnistgov/OSCAL/blob/main/CONTRIBUTING.md) on contributing to this project.
-- A [project board](https://github.com/usnistgov/OSCAL/projects) that shows the issues the team is currently working on.
+- A [project board](https://github.com/orgs/usnistgov/projects/25) that shows the issues the team is currently working on.
 
 You can connect with us and other developers working on OSCAL related projects on the [OSCAL Gitter](https://gitter.im/usnistgov-OSCAL/Lobby) or using the [[email protected] mailing list](/contact/#oscal-mailing-lists).