Update pipeline/outputs/openobserve.md

Co-authored-by: Adam Locke <[email protected]>
Signed-off-by: Chaitanya Sistla <[email protected]>

Author: chaitanya-sistla

pipeline/outputs/openobserve.md

@@ -20,7 +20,7 @@ types as mentioned in the
 | Host            | Required. The OpenObserve server where you are sending logs.                                                                                                                                                                                                                                                                                                                                                                           | `localhost` |
 | TLS             | Required: Enable end-to-end security using TLS. Set to `on` to enable TLS communication with OpenObserve.                                                                                                                                                                                                                                                                                                                                | `on`                            |
 | compress        | Recommended: Compresses the payload in GZIP format. OpenObserve supports and recommends setting this to `gzip` for optimized log ingestion.                                                                                                                                                                                                                                                                                                                             |    _none_                   |
-| HTTP_User          | _Required_ - Username for HTTP authentication.                                                                                                                                                                                                                                                                                                                                                       |                                  |
+| HTTP_User          | Required: Username for HTTP authentication.                                                                                                                                                                                                                                                                                                                                                       |                 _none_          |
 | HTTP_Passwd          | Required: Password for HTTP authentication.                                                                                                                                                                                                                                                                                                                                                       |     _none_                             |
 | URI        | Required: The API path used to send logs.                                                                                                                                                                                                                                                                                                                                                           |         `/api/default/default/_json`                         |
 | Format        | _Required_ - The format of the log payload. OpenObserve expects json.                                                                                                                                                                                                                                                                                                                                                           |         `json`                         |