302: Access to Memory - https -> http

README.md

@@ -133,7 +133,7 @@ Digital [archiving](https://en.wikipedia.org/wiki/Archival_science) and [preserv
 
 _Related: [Content Management Systems (CMS)](#content-management-systems-cms)_
 
-- [Access to Memory (AtoM)](https://www.accesstomemory.org/) - Web-based, open source application for standards-based archival description and access in a multilingual, multi-repository environment. ([Demo](https://demo.accesstomemory.org/), [Source Code](https://github.com/artefactual/atom)) `AGPL-3.0-only` `PHP`
+- [Access to Memory (AtoM)](http://www.accesstomemory.org/) - Web-based, open source application for standards-based archival description and access in a multilingual, multi-repository environment. ([Demo](https://demo.accesstomemory.org/), [Source Code](https://github.com/artefactual/atom)) `AGPL-3.0-only` `PHP`
 - [ArchiveBox](https://archivebox.io/) - Self-hosted _wayback machine_ that creates HTML & screenshot archives of sites from your bookmarks, browsing history, RSS feeds, or other sources. ([Source Code](https://github.com/ArchiveBox/ArchiveBox)) `MIT` `Python`
 - [Archivematica](https://www.archivematica.org/) - Mature digital preservation system designed to maintain standards-based, long-term access to collections of digital objects. ([Demo](https://sandbox.archivematica.org/administration/accounts/login/), [Source Code](https://github.com/artefactual/archivematica)) `AGPL-3.0-only` `Python`
 - [ArchivesSpace](https://archivesspace.org/) - Archives information management application for managing and providing Web access to archives, manuscripts and digital objects. ([Demo](https://archivesspace.org/application/demo/), [Source Code](https://github.com/archivesspace/archivesspace)) `ECL-2.0` `Ruby`