billing: clarify james and harold are to be notified in slack

docs/howto/bill.md

@@ -75,7 +75,7 @@ AWS management account. If a future cluster deviates from this, you can tell by
 
    This will output a new CSV file to your local filesystem called `AWS_{START_MONTH}_{END_MONTH}.csv`.
 1. Upload this CSV file to the [cloud costs folder]
-1. Ping the folks in the `#billing` slack channel to let them know the info for dedicated clusters is now available and provide a link to the file you have just uploaded
+1. As of July 2024, ping James and Harold in the `#billing` slack channel to let them know the info for dedicated clusters is now available and provide a link to the file you have just uploaded
 
 [direct link]: https://us-east-1.console.aws.amazon.com/costmanagement/home?region=us-east-1#/cost-explorer?reportId=d826a775-e0d6-4e85-a181-7f87a8deb162&reportName=Monthly%20costs%20by%20linked%20account&isDefault=true&chartStyle=GROUP&historicalRelativeRange=LAST_6_MONTHS&futureRelativeRange=CUSTOM&granularity=Monthly&groupBy=%5B%22LinkedAccount%22%5D&filter=%5B%5D&costAggregate=unBlendedCost&showOnlyUntagged=false&showOnlyUncategorized=false&useNormalizedUnits=false
 
@@ -102,7 +102,7 @@ Currently this is the recommended way of retrieving the costs from GCP.
 
    This will output a new CSV file to your local filesystem called `GCP_{START_MONTH}_{END_MONTH}.csv`.
 1. Upload this CSV file to the [cloud costs folder]
-1. Ping the folks in the `#billing` slack channel to let them know the info for dedicated clusters is now available and provide a link to the file just uploaded
+1. As of July 2024, ping James and Harold in the `#billing` slack channel to let them know the info for dedicated clusters is now available and provide a link to the file just uploaded
 
 [2i2c billing account]: https://console.cloud.google.com/billing/0157F7-E3EA8C-25AC3C/reports;timeRange=CUSTOM_RANGE;from=2024-01-01;to=2024-01-31;dateType=INVOICE_DATE;invoiceCorrections=TAX,BILLING_MODIFICATION?organizationId=184174754493&project=two-eye-two-see