prototypes in use instead of being offered

_posts/2020/07/2020-07-24-helmholtz-aai.md

@@ -22,7 +22,7 @@ and is compatible to the [AARC blueprint](https://aarc-project.eu/architecture/)
 The establishment of such Helmholtz-wide AAI service is an 
 organizational and technological key to allow common access to IT services.
 Based on this infrastructure, cloud services, e.g. for data management, collaboration and
-scientific work are partially already being offered as prototypes and 
+scientific work are partially already in use as prototypes and 
 [will go into production by end of 2020](roadmap).
 The full establishment of such federated IT infrastructure in Helmholtz will allow
 closer