Updates timestamp information.

Author: angelampcosta

src/content/docs/logs/logpush/logpush-job/log-output-options.mdx

@@ -62,7 +62,7 @@ The **output\_options** object has the following settings:
   * Comment: the `{{/* comments */}}` are silently dropped.
 * **record\_delimiter**: string to be inserted in-between the records as separator.
 * **field\_delimiter**: string to join fields. Will be ignored when **record\_template** is set.
-* **timestamp\_format**: string to specify format for timestamps, such as `unixnano`, `unix`, or `rfc3339`. Default `unixnano`.
+* **timestamp\_format**: string to specify format for timestamps, such as `unixnano`, `unix` (both seconds unit), or `rfc3339` (nanoseconds unit). Default `unixnano`. The API default is `unixnano` when `timestamp_format` is not specified for a job. However, the Logpush UI uses `rfc3339` as the default and explicitly sets it when creating a job.
 * **sample\_rate**: floating number to specify sampling rate (default 1.0: no sampling). Sampling is applied on top of filtering, and regardless of the current sample\_interval of the data.
 * **CVE-2021-44228**: bool, default false. If set to true, will cause all occurrences of `${` in the generated files to be replaced with `x{`.