Fix link in options.md (#947)

docs/sources/configure/options.md

@@ -1042,7 +1042,7 @@ filter:
 ```
 
 For a list of metrics under the application and network family, as well as their
-attributes, check the [Beyla exported metrics]({{< relref "../metrics.md" >}} document.
+attributes, check the [Beyla exported metrics]({{< relref "../metrics.md" >}}) document.
 
 Each `application` and `network` filter section is a map where each key is an attribute
 name (either in Prometheus or OpenTelemetry format), with either the `match` or the `not_match` property. Both properties accept a