Fix update notification text
Fix update notification text

* thanks to ungesundes_halbwissen @ transifex

michaelletzgus/nextcloud-server,xx621998xx/server,Ardinis/server,jbicha/server,pmattern/server,endsguy/server,jbicha/server,endsguy/server,pixelipo/server,pixelipo/server,whitekiba/server,xx621998xx/server,andreas-p/nextcloud-server,nextcloud/server,whitekiba/server,michaelletzgus/nextcloud-server,pmattern/server,nextcloud/server,nextcloud/server,endsguy/server,whitekiba/server,Ardinis/server,Ardinis/server,andreas-p/nextcloud-server,pmattern/server,Ardinis/server,pixelipo/server,xx621998xx/server,jbicha/server,andreas-p/nextcloud-server,xx621998xx/server,michaelletzgus/nextcloud-server,pmattern/server,andreas-p/nextcloud-server,pixelipo/server,endsguy/server,pixelipo/server,endsguy/server,andreas-p/nextcloud-server,whitekiba/server,jbicha/server,pmattern/server,nextcloud/server,michaelletzgus/nextcloud-server,xx621998xx/server,Ardinis/server,jbicha/server,whitekiba/server