DOCSP-34397: improve desc of kafka topic prefix and suffix (#147)

* DOCSP-34397: improve desc of kafka topic prefix and suffix

* CC suggestion

source/source-connector/configuration-properties/kafka-topic.txt

@@ -4,6 +4,13 @@
 Kafka Topic Properties
 ======================
 
+.. facet::
+   :name: genre
+   :values: reference
+
+.. meta:: 
+   :keywords: generated topic, customize topic
+
 .. contents:: On this page
    :local:
    :backlinks: none
@@ -38,8 +45,11 @@ Settings
      - | **Type:** string
        |
        | **Description:**
-       | The prefix to prepend to database and collection names to
-         generate the name of the Kafka topic on which to publish the data.
+       | Specifies the first part of the destination Kafka
+         topic name to which the connector publishes change stream events.
+         The destination topic name is composed of the ``topic.prefix``
+         value followed by the database and collection names, separated by the value
+         specified in the ``topic.separator`` property.
 
        .. seealso::
 
@@ -54,8 +64,11 @@ Settings
      - | **Type:** string
        |
        | **Description:**
-       | The suffix to append to database and collection names to
-         generate the name of the Kafka topic on which to publish the data.
+       | Specifies the last part of the destination Kafka
+         topic name to which the connector publishes change stream events.
+         The destination topic name is composed of the database and
+         collection names followed by the ``topic.suffix`` value,
+         separated by the value specified in the ``topic.separator`` property.
 
        .. seealso::