DOCSP-28840: Marked collection as not required (#102)

Author: DBirtolo-mdb

source/sink-connector/configuration-properties/mongodb-namespace.txt

@@ -38,9 +38,9 @@ Settings
      - Description
 
    * - | **namespace.mapper**
-     - | **Type:** string
+     - | **Type**: string
        |
-       | **Description:**
+       | **Description**:
        | The fully-qualified class name of the class that specifies which
          database or collection in which to sink the data. The default
          ``DefaultNamespaceMapper`` uses values specified in the
@@ -64,24 +64,24 @@ Settings
    * - **database**
      - | *Required*
        |
-       | **Type:** string
+       | **Type**: string
        |
-       | **Description:**
+       | **Description**:
        | The name of the MongoDB database to which the sink connector writes.
        |
        | **Accepted Values**: A MongoDB database name
 
    * - **collection**
-     - | *Required*
-       |
-       | **Type:** string
+     - | **Type**: string
        |
-       | **Description:**
+       | **Description**:
        | The name of the MongoDB collection to which the sink connector
          writes. If your sink connector follows multiple topics, this
          is the default collection for any writes that are not otherwise
          specified.
-       |
+
+       | **Default**: The topic name.
+
        | **Accepted Values**: A MongoDB collection name
 
 .. _fieldpathnamespacemapper-settings:
@@ -118,37 +118,37 @@ You can use the following settings to customize the behavior of the
      - Description
 
    * - | **namespace.mapper.key.database.field**
-     - | **Type:** string
+     - | **Type**: string
        |
-       | **Description:**
+       | **Description**:
        | The name of the key document field that specifies the name of the
          database in which to write.
 
    * - | **namespace.mapper.key.collection.field**
-     - | **Type:** string
+     - | **Type**: string
        |
-       | **Description:**
+       | **Description**:
        | The name of the key document field that specifies the name of the
          collection in which to write.
 
    * - | **namespace.mapper.value.database.field**
-     - | **Type:** string
+     - | **Type**: string
        |
-       | **Description:**
+       | **Description**:
        | The name of the value document field that specifies the name of the
          database in which to write.
 
    * - | **namespace.mapper.value.collection.field**
-     - | **Type:** string
+     - | **Type**: string
        |
-       | **Description:**
+       | **Description**:
        | The name of the value document field that specifies the name of the
          collection in which to write.
 
    * - | **namespace.mapper.error.if.invalid**
-     - | **Type:** boolean
+     - | **Type**: boolean
        |
-       | **Description:**
+       | **Description**:
        | Whether to throw an exception when either the document is missing the
          mapped field or it has an invalid BSON type.
        | When set to ``true``, the connector does not process documents