Update catchup call in README.md

README.md

@@ -51,14 +51,16 @@ Please read the [contribution guidelines](.github/contributing.md) before submit
 
 ## Open Payments Catchup Call
 
-Our catchup calls are open to our community. We have them every Monday at 11:00 GMT, via Google Meet.
+Our catchup calls are open to our community. We have them every other Wednesday at 13:00 GMT, via Google Meet.
 
 Video call link: https://meet.google.com/htd-eefo-ovn
 
 Or dial: (DE) +49 30 300195061 and enter this PIN: 105 520 503#
 
 More phone numbers: https://tel.meet/htd-eefo-ovn?hs=5
 
+[Add to Google Calendar](https://calendar.google.com/calendar/event?action=TEMPLATE&tmeid=MDNjYTdhYmE5MTgwNGJhMmIxYmU0YWFkMzI2NTFmMjVfMjAyNDA1MDhUMTIwMDAwWiBjX2NqMDI3Z21oc3VqazkxZXZpMjRkOXB2bXQ0QGc&tmsrc=c_cj027gmhsujk91evi24d9pvmt4%40group.calendar.google.com&scp=ALL)
+
 ## Local Development Environment
 
 ### Prerequisites