Updated tpch.md (#452)

Cleaned up certain parts of the bottom section to provide more clarity.

Author: ceohockey60

benchmark/tpch.md

@@ -98,9 +98,9 @@ TiDB 2.0:
 
 ![TPC-H Query Result](../media/tpch-query-result.png)
 
-It should be notified that:
+It should be noted that:
 
-- In the diagram above, the orange bars represent the query result of Release 1.0 and the blue bars represent the query rersult of Release 2.0. The ordinate represents the processing time of queries, the shorter the better. 
-- Query 15 is tagged with "NaN" because VIEW is not supported in both TiDB 1.0 and 2.0 releases.
-- Queries 2, 17, and 19 in the TiDB 1.0 column are tagged with "NaN" because TiDB 1.0 does not return a result for long.
-- Queries 5, 7, 18, and 21 in the TiDB 1.0 column are tagged with "OOM" because the memory consumption is too high and tidb-server is killed by oom-killer.
+- In the diagram above, the orange bars represent the query results of Release 1.0 and the blue bars represent the query results of Release 2.0. The y-axis represents the processing time of queries in seconds, the shorter the faster. 
+- Query 15 is tagged with "NaN" because VIEW is currently not supported in either TiDB 1.0 or 2.0. We have plans to provide VIEW support in a future release.
+- Queries 2, 17, and 19 in the TiDB 1.0 column are tagged with "NaN" because TiDB 1.0 did not return results for these queries.
+- Queries 5, 7, 18, and 21 in the TiDB 1.0 column are tagged with "OOM" because the memory consumption was too high.