Update 2022-09-14-json-datatype.md

Author: BohuTANG

website/blog/2022-09-14-json-datatype.md

@@ -1,5 +1,5 @@
 ---
-title: Designing and Using JSON in Databend
+title: Designing and Querying JSON in Databend
 description: JSON
 slug: json-datatypes
 date: 2022-09-14
@@ -225,4 +225,4 @@ Databend has improved the read performance of JSON data using the following meth
 
 - To speed up the parsing and reduce memory usage, Databend stores the JSON data as JSONB in binary format and uses the built-in j_entry structure to hold data type and offset position of each element.
 
-- Adding virtual columns to speed up the queries. Databend extracts the frequently queried fields and the fields of the same data type and stores them as separate virtual columns. Data will be directly read from the virtual columns when querying, which makes Databend achieve the same performance as querying other basic data types.
+- Adding virtual columns to speed up the queries. Databend extracts the frequently queried fields and the fields of the same data type and stores them as separate virtual columns. Data will be directly read from the virtual columns when querying, which makes Databend achieve the same performance as querying other basic data types.