Docsp-28053- write concerns (#157)

* fix write concern

* db feedback

Author: mongoKart

source/configuration/write.txt

@@ -73,11 +73,11 @@ The following options for writing to MongoDB are available:
        - ``insert``: insert the data.
        - ``replace``: replace an existing document that matches the
          ``idFieldList`` value with the new data. If no match exists, the
-         value of ``upsertDocument`` indicates whether or not the connector
+         value of ``upsertDocument`` indicates whether the connector
          inserts a new document.
        - ``update``: update an existing document that matches the
          ``idFieldList`` value with the new data. If no match exists, the
-         value of ``upsertDocument`` indicates whether or not the connector
+         value of ``upsertDocument`` indicates whether the connector
          inserts a new document.
 
        |
@@ -96,25 +96,16 @@ The following options for writing to MongoDB are available:
        | **Default:** ``_id``
 
    * - ``writeConcern.w``
-     - | Specifies ``w``, a write concern option to acknowledge the level to
-         which the change propagated in the MongoDB replica set. You can
-         specify one of the following values:
-
-       - ``MAJORITY``
-       - ``W1``, ``W2``, or ``W3``
-       - ``ACKNOWLEDGED``
-       - ``UNACKNOWLEDGED``
-
+     - | Specifies ``w``, a write-concern option to request acknowledgment
+         that the write operation has propogated to a specified number of
+         MongoDB instances. For a list
+         of allowed values for this option, see :manual:`WriteConcern
+         </reference/write-concern/#w-option>` in the MongoDB manual.
        |
-       | For more information on ``w`` values, see the MongoDB server guide on
-         the :manual:`WriteConcern w option
-         </reference/write-concern/#w-option>`.
-
-       |
-       | **Default:** ``ACKNOWLEDGED``
+       | **Default:** ``1``
 
    * - ``writeConcern.journal``
-     - | Specifies ``j``, a write concern option to enable request for
+     - | Specifies ``j``, a write-concern option to enable request for
          acknowledgment that the data is confirmed on on-disk journal for
          the criteria specified in the ``w`` option. You can specify
          either ``true`` or ``false``.
@@ -124,9 +115,9 @@ The following options for writing to MongoDB are available:
          :manual:`WriteConcern j option </reference/write-concern/#j-option>`.
 
    * - ``writeConcern.wTimeoutMS``
-     - | Specifies ``wTimeoutMS``, a write concern option to return an error
+     - | Specifies ``wTimeoutMS``, a write-concern option to return an error
          when a write operation exceeds the number of milliseconds. If you
-         use this optional setting, you must specify a non-negative integer.
+         use this optional setting, you must specify a nonnegative integer.
        |
        | For more information on ``wTimeoutMS`` values, see the MongoDB server
          guide on the
@@ -140,9 +131,9 @@ The following options for writing to MongoDB are available:
          ``false``.
        |
        | **Default:** ``true``
-   
+
    * - ``convertJson``
-     - | When ``true``, the connector parses the string and converts extended JSON 
+     - | When ``true``, the connector parses the string and converts extended JSON
          into BSON.
        |
        | **Default:** ``false``
@@ -174,7 +165,7 @@ settings:
 
 If you specify a setting both in the ``connection.uri`` and in a separate
 configuration, the ``connection.uri`` setting overrides the separate
-setting. For example, given the following configuration, the
+setting. For example, in the following configuration, the
 database for the connection is ``foobar``:
 
 .. code:: cfg