DOCSP-38184 Indicate that any reshardCollection operations are disallowed (#291)

* DOCSP-38184 Indicate that any reshardCollection operations are disallowed

* Update source/reference/limitations.txt

Co-authored-by: Ajay Vijayakumar <[email protected]>

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Co-authored-by: Ajay Vijayakumar <[email protected]>

Author: kanchana-mongodb

source/reference/limitations.txt

@@ -112,8 +112,8 @@ Sharded Clusters
 
 - The shard key cannot be :ref:`refined <shard-key-refine>` while
   syncing.
-- The shard key cannot be modified using :dbcommand:`reshardCollection`
-  during syncing.
+- The :dbcommand:`reshardCollection` operations from the source cluster
+  are not supported during sync. 
 - The maximum number of indexes per sharded collection is 63, which is
   one less than the :ref:`default limit
   <limit-number-of-indexes-per-collection>` of 64.