diff --git a/source/reference/parameters.txt b/source/reference/parameters.txt
index c2dedb6a40d..1a204e26f61 100644
--- a/source/reference/parameters.txt
+++ b/source/reference/parameters.txt
@@ -2673,6 +2673,35 @@ Sharding Parameters
       
       - :parameter:`maxTimeMSForHedgedReads`
 
+.. parameter:: mongosShutdownTimeoutMillisForSignaledShutdown
+
+   .. versionadded:: 5.0
+
+   *Type*: integer
+
+   *Default*: 15000
+
+   |mongos-only|
+   
+   Specifies the time (in milliseconds) to wait for any ongoing database
+   operations to complete before initiating a shutdown of
+   :binary:`~bin.mongos`.
+
+   For example, to set the time to 250 milliseconds, you can issue the
+   following during startup:
+   
+   .. code-block:: sh
+
+      mongos --setParameter mongosShutdownTimeoutMillisForSignaledShutdown=250
+
+   Or if using the :dbcommand:`setParameter` command in a
+   :binary:`~bin.mongo` shell connected to a running
+   :binary:`~bin.mongos`:
+
+   .. code-block:: javascript
+
+      db.adminCommand( { setParameter: 1, mongosShutdownTimeoutMillisForSignaledShutdown: 250 } )
+
 .. parameter:: replMonitorMaxFailedChecks
 
    *Available in MongoDB 3.2 only*
diff --git a/source/release-notes/5.0.txt b/source/release-notes/5.0.txt
index ecffcee47de..ee31c9feb59 100644
--- a/source/release-notes/5.0.txt
+++ b/source/release-notes/5.0.txt
@@ -129,6 +129,14 @@ Networking
 General Improvements
 --------------------
 
+``mongosShutdownTimeoutMillisForSignaledShutdown`` Parameter
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Starting in MongoDB 5.0, the new parameter
+:parameter:`mongosShutdownTimeoutMillisForSignaledShutdown` specifies
+the time in milliseconds to wait for any ongoing database operations to
+complete before initiating a shutdown of :binary:`~bin.mongos`.
+
 ``reIndex`` Behavior Change
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~