DOCS-14455 Add references for numHosts targeted in shardingStatistics

Author: ianf-mongodb

source/reference/command/serverStatus.txt

@@ -2751,19 +2751,28 @@ shardingStatistics
 
    .. include:: /includes/fact-server-status-num-hosts-targeted.rst
 
-   .. note:: Running the :dbcommand:`serverStatus` on :binary:`mongos` 
-            will provide insight into the aggregation operations find, 
-            insert, update, delete and aggregate that run on a sharded 
-            cluster. 
-            
-            Multi-shard operations can either be 
-            :ref:`scatter-gather<sharding-query-patterns>`
-            or shard specific. Multi-shard scatter-gather operations can
-            :ref:`consume more resources<sharding-troubleshooting-scatter-gather>`,
-            by using the 
-            :serverstatus:`shardingStatistics.numHostsTargeted`
-            metrics you can tune the aggregation queries that run on a 
-            sharded cluster.
+.. serverstatus:: shardingStatistics.numHostsTargeted
+
+   Indicates the number of shards targeted for ``CRUD`` operations and 
+   aggregation commands. When a ``CRUD`` operation or aggregation
+   command is run, the following metrics will be incremented.
+
+   .. include:: /includes/fact-server-status-num-hosts-targeted.rst
+
+   .. note:: 
+
+      Running the :dbcommand:`serverStatus` command on :binary:`mongos` 
+      will provide insight into the CRUD and aggregation operations that
+      run on a sharded cluster.
+
+      Multi-shard operations can either be 
+      :ref:`scatter-gather<sharding-query-patterns>`
+      or shard specific. Multi-shard scatter-gather operations can
+      :ref:`consume more resources<sharding-troubleshooting-scatter-gather>`.
+      By using the 
+      :serverstatus:`shardingStatistics.numHostsTargeted`
+      metrics you can tune the aggregation queries that run on a 
+      sharded cluster.
 
 shardedIndexConsistency
 ~~~~~~~~~~~~~~~~~~~~~~~

source/release-notes/4.4.txt

@@ -1920,8 +1920,6 @@ output:
 ``serverStatus`` Sharding Statistics Output Change
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-CRUD Operations and Aggregations
-
 :serverstatus:`shardingStatistics.numHostsTargeted`
 which reports the number of shards targeted by CRUD operations and
 aggregation commands. The relevant find, insert, update, delete or