minor corrections, months

mission/publications.md

@@ -27,8 +27,8 @@ excerpt:
   - [**HIFIS transfer service: FTS for everyone**](https://indico.egi.eu/event/5000/contributions/14383/).
 * [**Presentations** of all major HIFIS working groups](https://hifis-events.hzdr.de/event/25/timetable/#all.detailed) at the 2nd All-Hands HIFIS Meeting, October 2020.
 * [**HIFIS backbone transfer service: FTS for everyone**](https://indico.cern.ch/event/898285/contributions/4041954/). In: [HEPiX Autumn 2020 Online workshop](https://indico.cern.ch/event/898285/), October 2020.
-* [**Zusammenarbeiten mit der Helmholtz-Cloud**](https://www.helmholtz-berlin.de/media/media/oea/aktuell/print//lichtblick/246/hzb_lichtblick_ag-44_september-2020_extern_web.pdf), Lichtblick Helmholtz Zentrum Berlin, S.4, Sept 2020.
-* [**HZI-led Coronavirus Sero-Survey** in collaboration with HIFIS](https://www.dzif.de/en/how-many-people-are-now-immune-sars-cov-2)
+* [**Zusammenarbeiten mit der Helmholtz-Cloud**](https://www.helmholtz-berlin.de/media/media/oea/aktuell/print//lichtblick/246/hzb_lichtblick_ag-44_september-2020_extern_web.pdf), Lichtblick Helmholtz Zentrum Berlin, page 4, September 2020.
+* [**HZI-led Coronavirus Sero-Survey** in collaboration with HIFIS](https://www.dzif.de/en/how-many-people-are-now-immune-sars-cov-2), August 2020.
   * [German Version](https://www.dzif.de/de/wie-viele-menschen-sind-heute-schon-immun-gegen-sars-cov-2)
 * [**Promoting IT based science at all levels**](https://www.egi.eu/about/newsletters/helmholtz-federated-it-services-promoting-it-based-science-at-all-levels/). In: [EGI Newsletter #37](https://www.egi.eu/news/june-edition-of-the-egi-newsletter/), June 2020.
 * [**The HIFIS Cloud Competence Cluster**](https://indico.cern.ch/event/854707/contributions/3680436/). In: [CS3 2020 Workshop on Cloud Services for Synchronisation and Sharing](https://cs3.deic.dk/), January 2020.