one off hour earlier doc meeting

source/working-groups/documentation.md

@@ -14,7 +14,7 @@ We use the [#docs channel][] in Zulip. Please feel free to jump in and say hi!
 
 We welcome anyone to join our meetings!
 
-We meet on the third Friday of the month at 2pm UTC.
+We meet on the third Friday of the month at 2pm UTC (except on 2024-10-18 when we will meet an hour earlier).
 
 Please find us on Google Meet: <https://meet.google.com/ifs-iqjq-vuv>
 
@@ -24,7 +24,7 @@ You can also find our meetings in the [Dataverse Community Calendar][].
 
 ### Upcoming meetings
 
-- [2024-10-18](https://time.is/compare/1400_18_Oct_2024_in_UTC) - [Notes](https://docs.google.com/document/d/1O1v9aMSCNe9ak2_Md2plfaJw42XJuIrb7l1-sSg4hus/edit?usp=sharing)
+- [2024-10-18](https://time.is/compare/1300_18_Oct_2024_in_UTC) - [Notes](https://docs.google.com/document/d/1O1v9aMSCNe9ak2_Md2plfaJw42XJuIrb7l1-sSg4hus/edit?usp=sharing)
 
 ### Previous meetings