diff --git a/src/api/events.ts b/src/api/events.ts
index 78b8f74..9a55aca 100644
--- a/src/api/events.ts
+++ b/src/api/events.ts
@@ -26,7 +26,7 @@ export class Events {
    * Ingest usage events for metering and billing purposes.
    *
    * Events are deduplicated by `(event_id, customer_id)` — re-sending the same pair will not be
-   * double-counted. If timestamps differ across duplicates, the event with the latest timestamp is used.
+   * double-counted. The first copy received is kept and later copies are ignored, whatever they change.
    *
    * By default, any invalid event rejects the entire batch. Set `allow_partial_failures` to `true` to ingest valid events and receive per-event failure details in the response body.
    */