diff --git a/source/reference/mongostat.txt b/source/reference/mongostat.txt
index a3fe9850d2b..7b0dea4c00a 100644
--- a/source/reference/mongostat.txt
+++ b/source/reference/mongostat.txt
@@ -11,9 +11,10 @@ Synopsis
 
 The :program:`mongostat` utility provides a quick overview of the
 status of a currently running :program:`mongod`
+or :program:`mongos`
 instance. :program:`mongostat` is functionally similar to the
 UNIX/Linux file system utility ``vmstat``, but provides data regarding
-:program:`mongod` instances.
+:program:`mongod` and :program:`mongos` instances.
 
 .. seealso::
 
@@ -30,10 +31,11 @@ UNIX/Linux file system utility ``vmstat``, but provides data regarding
    For an additional utility that provides MongoDB metrics see
    ":doc:`mongotop </reference/mongotop>`."
 
-:program:`mongostat` connects to the :program:`mongod` process running
+:program:`mongostat` connects to the :program:`mongod` instance running
 on the local host interface on TCP port ``27017``; however,
-:program:`mongostat` can connect to any accessible remote MongoDB
-process.
+:program:`mongostat` can connect to any accessible remote :program:`mongod`
+instance.
+
 
 Options
 -------
@@ -60,7 +62,7 @@ Options
 
    Specifies a resolvable hostname for the :program:`mongod` from which you
    want to export data. By default :program:`mongostat` attempts to connect
-   to a MongoDB process running on the localhost port number ``27017``.
+   to a MongoDB instance running on the localhost port number ``27017``.
 
    Optionally, specify a port number to connect a MongoDB instance
    running on a port other than ``27017``.
@@ -101,15 +103,16 @@ Options
 .. option:: --rowcount <number>, -n <number>
 
    Controls the number of rows to output. Use in conjunction with
-   ":command:`mongostat <sleeptime>`" to control the duration of a
+   :program:`mongostat <sleeptime>` to control the duration of a
    :program:`mongostat` operation.
 
-   Unless specification, :program:`mongostat` will return an infinite number
+   Unless :option:`--rowcount` is specified, :program:`mongostat`
+   will return an infinite number
    of rows (e.g. value of ``0``.)
 
 .. option:: --http
 
-   Configures :program:`mongostat` to collect data using HTTP interface
+   Configures :program:`mongostat` to collect data using the HTTP interface
    rather than a raw database connection.
 
 .. option:: --discover
@@ -134,7 +137,7 @@ Options
 
 .. option:: <sleeptime>
 
-   The final argument the length of time, in seconds, that
+   The final argument is the length of time, in seconds, that
    :program:`mongostat` waits in between calls. By default :program:`mongostat`
    returns one call every second.
 
@@ -260,13 +263,13 @@ average operations per second.
 
 .. describe:: netIn
 
-   The amount of network traffic, in *bits*, received by the MongoDB.
+   The amount of network traffic, in *bytes*, received by the MongoDB instance.
 
    This includes traffic from :program:`mongostat` itself.
 
 .. describe:: netOut
 
-   The amount of network traffic, in *bits*, sent by the MongoDB.
+   The amount of network traffic, in *bytes*, sent by the MongoDB instance.
 
    This includes traffic from :program:`mongostat` itself.