in_systemd: review processing updates to config parameter table. (#2304)

Signed-off-by: Eric D. Schabell <[email protected]>

Author: eschabell

pipeline/inputs/systemd.md

@@ -9,7 +9,7 @@ The plugin supports the following configuration parameters:
 | Key                   | Description                                                                                                                                                                                                                                                                                                                                                   | Default |
 |:----------------------|:--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|:--------|
 | `db`                  | Specify the absolute path of a database file to keep track of the `journald` cursor.                                                                                                                                                                                                                                                                          | _none_  |
-| `db.sync`             | Set a default synchronization (I/O) method. Values: `extra`, `full`, `normal`, and `off`. This flag affects how the internal SQLite engine synchronizes to disk. For more details [SQLite documentation](https://www.sqlite.org/pragma.html#pragma_synchronous). Available in Fluent Bit v1.4.6 and later.                                                    | `full`  |
+| `db.sync`             | Set a default synchronization (I/O) method. Possible values: `extra`, `full`, `normal`, and `off`. This flag affects how the internal SQLite engine synchronizes to disk. For more details [SQLite documentation](https://www.sqlite.org/pragma.html#pragma_synchronous). Available in Fluent Bit v1.4.6 and later.                                                    | `full`  |
 | `lowercase`           | Lowercase the `journald` field (key).                                                                                                                                                                                                                                                                                                                         | `off`   |
 | `max_entries`         | When Fluent Bit starts, the Journal might have a high number of logs in the queue. To avoid delays and reduce memory usage, use this option to specify the maximum number of log entries that can be processed per round. Once the limit is reached, Fluent Bit will continue processing the remaining log entries once `journald` performs the notification. | `5000`  |
 | `max_fields`          | Set a maximum number of fields (keys) allowed per record.                                                                                                                                                                                                                                                                                                     | `8000`  |
@@ -18,7 +18,7 @@ The plugin supports the following configuration parameters:
 | `strip_underscores`   | Remove the leading underscore of the `journald` field (key). For example, the `journald` field `_PID` becomes the key `PID`.                                                                                                                                                                                                                                  | `off`   |
 | `systemd_filter`      | Perform a query over logs that contain specific `journald` key/value pairs. For example, `_SYSTEMD_UNIT=UNIT`. The `systemd_filter` option can be specified multiple times in the input section to apply multiple filters.                                                                                                                                    | _none_  |
 | `systemd_filter_type` | Define the filter type when `systemd_filter` is specified multiple times. Allowed values: `and`, `or`. With `and` a record is matched only when all `systemd_filter` have a match. With `or` a record is matched when any `systemd_filter` has a match.                                                                                                | `or`    |
-| `tag`                 | The tag is used to route messages but on Systemd plugin there is an additional capability: if the tag includes a wildcard (`*`), it will be expanded with the Systemd Unit file (`_SYSTEMD_UNIT`, like `host.* => host.UNIT_NAME`) or `unknown` (`host.unknown`) if `_SYSTEMD_UNIT` is missing.                                                              | _none_  |
+| `tag`                 | Fluent Bit uses tags to route messages. For the Systemd input plugin, tags have an additional capability: if the tag includes a wildcard (`*`), it will be expanded with the Systemd Unit file (`_SYSTEMD_UNIT`, like `host.* => host.UNIT_NAME`) or `unknown` (`host.unknown`) if `_SYSTEMD_UNIT` is missing.                                                              | _none_  |
 | `threaded`            | Indicates whether to run this input in its own [thread](../../administration/multithreading.md#inputs).                                                                                                                                                                                                                                                       | `false` |
 
 ## Get started