Update the $req_id placeholder description (#8163)

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Alexander Brand 2022-02-06 15:14:53 -05:00 committed by GitHub
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@ -29,7 +29,7 @@ log_format upstreaminfo
| `$upstream_response_length` | the length of the response obtained from the upstream server |
| `$upstream_response_time` | time spent on receiving the response from the upstream server as seconds with millisecond resolution |
| `$upstream_status` | status code of the response obtained from the upstream server |
| `$req_id` | the randomly generated ID of the request |
| `$req_id` | value of the `X-Request-ID` HTTP header. If the header is not set, a randomly generated ID. |
Additional available variables: