Update community meeting information

Author: s-akhtar-baig

README.md

@@ -41,7 +41,7 @@ Get started with the [development documentation](docs/development.md).
 
 ## Community Meeting
 
-We have a weekly community meeting to discuss the project and contributions. Meeting happens **every Wednesday 10AM PST**.
+We have a monthly community meeting to discuss the project and contributions. Meeting happens **first Wednesday of each month at 10AM PST**.
 
 Please subscribe to the InstructLab Community Calendar following the instructions [here](https://github.com/instructlab/community/blob/main/Collaboration.md). UI project meeting details are present in the calendar event.