DOCSP-25748 shardCollection regarding hashed field in shard key (#7015)

* DOCSP-25748 shardCollection regarding hashed field in shard key

* external review

* external review

Author: jmd-mongo

source/reference/command/shardCollection.txt

@@ -135,11 +135,11 @@ The command takes the following fields:
          no zones and zone ranges are defined for the empty
          collection, MongoDB attempts to evenly distributed the
          specified number of chunks across the shards in the cluster.
- 
+
        - If sharding with :ref:`presplitHashedZones: false
          <cmd-shard-collection-presplitHashedZones>` or omitted and
          zones and zone ranges have been defined for the empty
-         collection, ``numInitChunks`` has no effect.
+         collection, ``numInitialChunks`` has no effect.
 
    * - ``collation``
      - document

source/reference/method/sh.shardCollection.txt

@@ -147,7 +147,7 @@ Definition
           - If sharding with :ref:`presplitHashedZones: false
             <method-shard-collection-presplitHashedZones>` or omitted and
             zones and zone ranges have been defined for the empty
-            collection, ``numInitChunks`` has no effect.
+            collection, ``numInitialChunks`` has no effect.
 
       * - ``collation``