Update pipeline/filters/log_to_metrics.md

Forgot the ending period in option description!

Co-authored-by: Lynette  Miles <[email protected]>
Signed-off-by: Eric D. Schabell <[email protected]>

Author: eschabell

pipeline/filters/log_to_metrics.md

@@ -24,7 +24,7 @@ The plugin supports the following configuration parameters:
 |-------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------------|---------------------------------------------------------------------------------------------------------------------------------------------------------|
 | `add_label`             | Adds a custom label `NAME` and set the value to the value of `KEY`.                                                                                                                                                                                                                                                                                                                               | _none_       | `NAME KEY`                                                                                                                                              |
 | `alias`                 | Sets an alias, useful for multiple instances of the same filter plugin.                                                                                                                                                                                                                                                                                                                           | _none_       |                                                                                                                                                         |
-| `bucket`                | Optional for `metric_mode` `histogram`. If not set, default Prometheus-style buckets are used.                                                                                                                                                                                                                                                                                                    | _none_       | For example, `0.75`                                                                                                                                     |
+| `bucket`                | Optional for `metric_mode` `histogram`. If not set, default Prometheus-style buckets are used.                                                                                                                                                                                                                                                                                                    | _none_       | For example, `0.75`.                                                                                                                                    |
 | `discard_logs`          | Flag that defines if logs should be discarded after processing. This applies for all logs, whether they have emitted metrics or not.                                                                                                                                                                                                                                                         | `false`      |                                                                                                                                                         |
 | `emitter_name`          | Name of the emitter (advanced users).                                                                                                                                                                                                                                                                                                                                                             | _none_       |                                                                                                                                                         |
 | `emitter_mem_buf_limit` | Set a buffer limit to restrict memory usage of metrics emitter.                                                                                                                                                                                                                                                                                                                                   | `10M`        |                                                                                                                                                         |