Fix the otel config descriptions (#37229)

Co-authored-by: Vincent Kling <v.kling@vinniict.nl>

airflow/config_templates/config.yml

@@ -1077,37 +1077,38 @@ metrics:
       example: ~
       default: "False"
     otel_host:
-      description: ~
+      description: |
+        Specifies the hostname or IP address of the OpenTelemetry Collector to which Airflow sends
+        metrics and traces.
       version_added: 2.6.0
       type: string
       example: ~
       default: "localhost"
     otel_port:
       description: |
-        Specifies the hostname or IP address of the OpenTelemetry Collector to which Airflow sends
-        metrics and traces
+        Specifies the port of the OpenTelemetry Collector that is listening to.
       version_added: 2.6.0
       type: string
       example: ~
       default: "8889"
     otel_prefix:
       description: |
-        Specifies the port of the OpenTelemetry Collector that is listening to
+        The prefix for the Airflow metrics.
       version_added: 2.6.0
       type: string
       example: ~
       default: "airflow"
     otel_interval_milliseconds:
       description: |
         Defines the interval, in milliseconds, at which Airflow sends batches of metrics and traces
-        to the configured OpenTelemetry Collector
+        to the configured OpenTelemetry Collector.
       version_added: 2.6.0
       type: integer
       example: ~
       default: "60000"
     otel_debugging_on:
       description: |
-        If True, all metrics are also emitted to the console.  Defaults to False.
+        If True, all metrics are also emitted to the console. Defaults to False.
       version_added: 2.7.0
       type: string
       example: ~