doc: display possible values for debug metrics level with double quot…

…ation

Signed-off-by: hainenber <[email protected]>

docs/sources/shared/reference/components/otelcol-debug-metrics-block.md

@@ -11,7 +11,7 @@ The following arguments are supported:
 Name                               | Type      | Description                                          | Default | Required
 -----------------------------------|-----------|------------------------------------------------------|---------|---------
 `disable_high_cardinality_metrics` | `boolean` | Whether to disable certain high cardinality metrics. | `true`  | no
-`level` | `string` |  Controls the level of detail for metrics emitted by the wrapped collector. | `detailed`  | no
+`level` | `string` |  Controls the level of detail for metrics emitted by the wrapped collector. | `"detailed"`  | no
 
 `disable_high_cardinality_metrics` is the Grafana Alloy equivalent to the `telemetry.disableHighCardinalityMetrics` feature gate in the OpenTelemetry Collector.
 It removes attributes that could cause high cardinality metrics.
@@ -22,4 +22,4 @@ If configured, `disable_high_cardinality_metrics` only applies to `otelcol.expor
 {{< /admonition >}}
 
 `level` is the {{< param "PRODUCT_NAME" >}} equivalent to the `telemetry.metrics.level` feature gate in the OpenTelemetry Collector.
-Possible values are `none`, `basic`, `normal` and `detailed`.
+Possible values are `"none"`, `"basic"`, `"normal"` and `"detailed"`.