fix

Author: mayaraman19

source/fundamentals/crud/write-operations/bulk.txt

@@ -29,8 +29,8 @@ fewer database calls. You can perform bulk write operations at the following lev
 
 - :ref:`Collection <java-sync-coll-bulk-write>`: You can use the 
   ``MongoCollection.bulkWrite()`` method to perform bulk write operations on a 
-  single collection. This method groups write operations together by the kind
-  of operation. For example, ``MongoCollection.bulkWrite()`` puts multiple update
+  single collection. In this method, each kind of write operation requires at
+  least one database call. For example, ``MongoCollection.bulkWrite()`` puts multiple update
   operations in one call, but makes two separate calls to the database for an insert
   operation and a replace operation.