Update configure-parallel-index-operations.md

Make it more clear. The original heading 'Set max degree of parallelism on a new index' may sound as if we're setting a property on the index. No, what we're actually doing is defining the maximum degree of parallelism during the process of creating the new index.

Author: 0x7FFFFFFFFFFFFFFF

docs/relational-databases/indexes/configure-parallel-index-operations.md

@@ -114,7 +114,7 @@ On multiprocessor systems that are running [!INCLUDE[ssNoVersion](../../includes
 
  For more information, see [ALTER INDEX (Transact-SQL)](../../t-sql/statements/alter-index-transact-sql.md).  
 
-#### Set max degree of parallelism on a new index  
+#### Specify max degree of parallelism when creating a new index
 
 1.  In **Object Explorer**, connect to an instance of [!INCLUDE[ssDE](../../includes/ssde-md.md)].