read me update

exporter/prometheusexporter/README.md

@@ -18,13 +18,11 @@ The following settings can be optionally configured:
 
 - `const_labels` (no default): key/values that are applied for every exported metric.
 - `namespace` (no default): if set, exports metrics under the provided value.
-- `send_timestamps` (default = `false`): if true, sends the timestamp of the underlying
-  metric sample in the response.
+- `send_timestamps` (default = `false`): if true, sends the timestamp of the underlying metric sample in the response.
 - `metric_expiration` (default = `5m`): defines how long metrics are exposed without updates
 - `resource_to_telemetry_conversion`
   - `enabled` (default = false): If `enabled` is `true`, all the resource attributes will be converted to metric labels by default.
-- `enable_open_metrics`
-  - `enabled` (default = false): If `enabled` is `true`, metrics will be exported using the OpenMetrics format. Exemplars are only exported in the OpenMetrics format.
+- `enable_open_metrics`: (default = `false`): If true, metrics will be exported using the OpenMetrics format. Exemplars are only exported in the OpenMetrics format.
 
 Example: