feat(2737): readme.

packages/documentation/src/content/docs/telemetry/overview.md

@@ -70,7 +70,7 @@ Currently collected metrics:
 - `transactions_amount` - Counter metric
   - Description: “Amount sent through the network”.
   - This amount metric increases by the amount sent in each ILP packet.
-- `payment_fees` - Counter metric
+- `transaction_fee_amounts` - Counter metric
   - Description: “Fee amount sent through the network”.
   - This fee amount metric increases by the (amount sent minus amount received) for an outgoing payment.
 - `ilp_pay_time_ms` - Histogram metric