Update community-call frequency.md (#217)

Author: Ndpnt

content/community/reference/community-call.md

@@ -8,15 +8,15 @@ The Open Terms Archive Community Call is a monthly online meeting for and by the
 
 ## Ambitions
 
-- **Get up-to-date**: the core team will open the call by highlighting the latest features and updates.
+- **Get up to date**: the core team will open the call by highlighting the latest features and updates.
 - **Discover collections**: on each call, a maintainer will present their collection.
 - **Get support**: the core team will be available to help you track and maintain existing collections.
 
 ![]({{< relref "." >}}community-call.jpg)
 
 ## Frequency and format
 
-- When: First Wednesday of the month
+- When: First Tuesday of the month
 - Time: 08:00 - 9:00 UTC
 - Duration: 1 hour
 - Join link: [https://meet.jit.si/OpenTermsArchiveCommunityCall](https://meet.jit.si/OpenTermsArchiveCommunityCall)