diff --git a/source/reference/command/replSetResizeOplog.txt b/source/reference/command/replSetResizeOplog.txt
index 0f0cde4efa1..a5d32474eaa 100644
--- a/source/reference/command/replSetResizeOplog.txt
+++ b/source/reference/command/replSetResizeOplog.txt
@@ -15,17 +15,16 @@ Definition
 
 .. dbcommand:: replSetResizeOplog
 
-   .. versionadded:: 3.6
-
-   Use the :dbcommand:`replSetResizeOplog` administrative command to 
-   change the size of a replica set member's oplog. [#oplog]_
-   
-
    .. versionadded:: 4.4
 
       :dbcommand:`replSetResizeOplog` also supports specifying the 
       minimum number of hours to preserve an oplog entry.
 
+   .. versionchanged:: 5.0
+
+      To set the ``replSetOplog`` size in :binary:`~bin.mongosh`, use
+      the ``Double()`` constructor. 
+
    :dbcommand:`replSetResizeOplog` enables you to resize the oplog or
    its minimum retention period dynamically without restarting the
    :binary:`~bin.mongod` process. 
@@ -72,6 +71,10 @@ Definition
 
           - The maximum size you can specify is 1 petabytes.
 
+          - Explicitly cast the ``size`` as a double in
+            :binary:`~bin.mongosh` with ``Double()``. See
+            :ref:`oplog-ex-change-size`.
+
       * - :ref:`minRetentionHours <replSetResizeOplog-minRetentionHours>`
 
         - double
@@ -119,6 +122,8 @@ You can only use :dbcommand:`replSetResizeOplog` on
 See the :ref:`tutorial-change-oplog-size` tutorial for a procedure
 on using :dbcommand:`replSetResizeOplog` command to resize the oplog.
 
+.. include:: /includes/fact-oplog-size.rst
+
 Starting in MongoDB 4.0, MongoDB forbids dropping the ``local.oplog.rs``
 collection. For more information on this restriction, see
 :ref:`oplog-coll-behavior`.
@@ -227,6 +232,8 @@ For more information on locking in MongoDB, see :doc:`/faq/concurrency`.
 Examples
 --------
 
+.. _oplog-ex-change-size:
+
 Change the Maximum Oplog Size
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
@@ -249,7 +256,7 @@ oplog size of this member to 16384 megabytes:
 
 .. code-block:: javascript
 
-   db.adminCommand({ "replSetResizeOplog": 1, size: 16384})
+   db.adminCommand({ "replSetResizeOplog": 1, size: Double(16384)})
 
 To verify the new oplog size, rerun the :method:`db.collection.stats()` method:
 
@@ -269,9 +276,6 @@ The above command returns:
    may cause replica members syncing with that node to become stale.
    To resync those members, see :doc:`/tutorial/resync-replica-set-member`.
 
-.. [#oplog]
-
-   .. include:: /includes/fact-oplog-size.rst
 
 Change the Minimum Oplog Retention Period
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
diff --git a/source/release-notes/5.0-compatibility.txt b/source/release-notes/5.0-compatibility.txt
index 41d032dca77..c7d9ec95b92 100644
--- a/source/release-notes/5.0-compatibility.txt
+++ b/source/release-notes/5.0-compatibility.txt
@@ -382,6 +382,9 @@ Starting in MongoDB 5.0:
   default write concern. To set the global default write concern, use
   the :dbcommand:`setDefaultRWConcern` command.
 
+- To set the ``replSetOplog`` size in :binary:`~bin.mongosh`, use the
+  ``Double()`` constructor with the :dbcommand:`replSetResizeOplog`
+  command.
 
 Deprecations
 ~~~~~~~~~~~~
diff --git a/source/tutorial/change-oplog-size.txt b/source/tutorial/change-oplog-size.txt
index 36523f67e50..cd480a95a65 100644
--- a/source/tutorial/change-oplog-size.txt
+++ b/source/tutorial/change-oplog-size.txt
@@ -69,16 +69,17 @@ The ``maxSize`` field displays the collection size in bytes.
 C. Change the oplog size of the replica set member
 --------------------------------------------------
 
-To resize the oplog, run the :dbcommand:`replSetResizeOplog` command,
-passing the desired size in megabytes as the ``size`` parameter. The
-specified size must be greater than ``990``, or 990 megabytes.
+Resize the oplog with the :dbcommand:`replSetResizeOplog` command. The
+``size`` is a double and must be greater than ``990`` megabytes. To
+explicitly cast the oplog ``size`` in :binary:`~bin.mongosh`, use the
+``Double()`` constructor.
 
 The following operation changes the oplog size of the replica set
 member to 16 gigabytes, or 16000 megabytes.
 
 .. code-block:: javascript
 
-   db.adminCommand({replSetResizeOplog: 1, size: 16000})
+   db.adminCommand({replSetResizeOplog: 1, size: Double(16000)})
 
 .. [#oplog]