update play server descriptions.

content/_index.md

@@ -1,15 +1,13 @@
 
 Neurodesk Play
 - Recommended for quick access and trialling
-- No login or sign-up required (except for AAF authentication at the Australian Play server)
-- Files and sessions are deleted after exiting
-- Does **NOT** preserve files from previous sessions
+- Files and sessions are deleted after exiting (except our Play instance in the US)
 - only a limited number of instances are available and the CPU and RAM are limited as well. If you require more sessions or resources, it's possible to run a custom Neurodesk lab (https://lab.neurodesk.org). For more information, please get in touch: [email protected]
 
 To use Neurodesk Play, choose the link below closest to your location:
 
-- [Australia](https://play.neurodesk.cloud.edu.au) (provided through ARDC resources and is only available for Australian Researchers with AAF login)
-- [US](https://play-america.neurodesk.org) (enabled through google cloud sponsorship)
+- [Australia](https://play.neurodesk.cloud.edu.au) (enabled through ARDC resources; requires AAF login)
+- [US](https://play-america.neurodesk.org) (enabled through Jetstream2 cloud resources; requires GitHub login)
 - [Europe](https://play-europe.neurodesk.org) (enabled through services and resources provided by the EGI Federation with the dedicated support of CESNET-MCC)
 
 >  See [Neurodesk.org](https://www.neurodesk.org/docs/neurodesktop/getting-started/play) for information on the Neurodesk project