change title and subtitle

_posts/2021/06/2021-06-15-SuSto_nubes.md

 ---
-title: "serohub relies on nubes: Easy Sync+Share within Helmholtz"
+title: "serohub use nubes, a Helmholtz Cloud Sync+Share Service"
 title_image: background-cloud.jpg
 date: 2021-06-15
 authors:
-  - spicker
+  - spicker, klotz
 layout: blogpost
 categories:
   - news
@@ -14,7 +14,7 @@ excerpt: >
 
 [Serohub](https://serohub.net/en/posts/how-many-people-are-now-immune-to-sars-cov-2/) was one of the first project groups to use nubes as a sync+share service of the [Helmholtz Cloud](https://cloud.helmholtz.de). <**SPACE for user's quote**> Since then, the number of user groups increase constantly. 
 
-# nubes by Helmholtz-Zentrum Berlin
+### nubes by Helmholtz-Zentrum Berlin
 
 Share files and documents Helmholtz-wide without additional passwords, links or login data: With the Helmholtz AAI, using the Sync+Share services in the Helmholtz Cloud becomes easier than ever. The bureaucratic and technical hurdles are low for users. This is ensured by the agreements that HIFIS is currently organising at a higher level.