DOCSP-33107-read-concern-operation-time (#5245)

* read-concern-operation-time

* DOCSP-33107-read-concern-operation-time

* DOCSP-33107-read-concern-operation-time

---------

Co-authored-by: jason-price-mongodb <[email protected]>

Author: jason-price-mongodb

source/includes/fact-runCommand-results.rst

@@ -7,11 +7,11 @@
 
    * - *<command result>*
 
-     - Result fields specific to the ``command`` that was run.
+     - Result fields specific to the ``command`` that ran.
 
    * - ``ok``
 
-     - A number that indicates whether the command has succeeded (``1``)
+     - A number that indicates if the command succeeded (``1``)
        or failed (``0``).
 
    * - ``operationTime``
@@ -20,21 +20,21 @@
        to order operations. *Only for replica sets and sharded 
        clusters.*
 
-       If the command does not generate an oplog entry, e.g. a read
-       operation, then the operation does not advance the logical
+       If the command does not generate an oplog entry, for example, a
+       read operation, then the operation does not advance the logical
        clock. In this case, ``operationTime`` returns:
 
-       - For read concern :readconcern:`"local"`, the timestamp of the
-         most recent entry in the oplog.
+       - For read concern :readconcern:`"local"`,
+         :readconcern:`"snapshot"`, and :readconcern:`"linearizable"`,
+         the timestamp of the most recent entry in the oplog.
 
-       - For read concern :readconcern:`"majority"` and
-         :readconcern:`"linearizable"`, the timestamp of the most
-         recent :writeconcern:`majority-acknowledged <"majority">`
-         entry in the oplog.
+       - For read concern :readconcern:`"majority"`, the timestamp of
+         the most recent :writeconcern:`majority-acknowledged
+         <"majority">` entry in the oplog.
 
-       For operations associated with :ref:`causally consistent
-       sessions <causal-consistency>`, MongoDB drivers use this time
-       to automatically set the :ref:`afterClusterTime`.
+       For operations associated with :ref:`causally consistent sessions
+       <causal-consistency>`, the MongoDB drivers use the logical time
+       to automatically set the :ref:`afterClusterTime` period.
 
    * - ``$clusterTime``
 
@@ -48,4 +48,3 @@
 
        - ``signature``: a document that contains the hash of the cluster time and the id
          of the key used to sign the cluster time.
-