update date in readme

README.md

@@ -1,7 +1,7 @@
 # PID Resources
 This resource describes the different aspects of developing persistent identifiers (PIDs) in the context of Heritage Collections. This resource describes the different aspects of developing persistent identifiers (PIDs) in the context of Heritage Collections. It is aimed at senior technical stakeholders within galleries, libraries, archives and museums to assist with developing requirements and advocacy for new services.
 
-Following consultation through May 2021, the resource is now available in a revised version. From January 2021, it will no longer be actively updated but will be maintained on a best efforts basis until the conclusion of the Towards a National Collection programme in 2025. New contributors or curators for this content would be welcome. For any errors or small changes, please raise an issue via Github.
+Following consultation through May 2021, the resource is now available in a revised version. From January 2022, it will no longer be actively updated but will be maintained on a best efforts basis until the conclusion of the Towards a National Collection programme in 2025. New contributors or curators for this content would be welcome. For any errors or small changes, please raise an issue via Github.
 
 Based on [Simple Site](https://github.com/jpadfield/simple-site) ([https://doi.org/10.5281/zenodo.5137663](https://doi.org/10.5281/zenodo.5137663)) with additional scripts (https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.min.js) and [Bootstrap popover](https://getbootstrap.com/docs/4.0/components/popovers/) functionality included.