align comments

Signed-off-by: Ran <huangran.alex@gmail.com>
pingcap · Dec 2, 2022 · 203f978 · 203f978
1 parent f48b210
commit 203f978
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/sql-statements/sql-statement-explain.md b/sql-statements/sql-statement-explain.md
@@ -187,11 +187,11 @@ EXPLAIN DELETE FROM t1 WHERE c1=3;
 4 rows in set (0.01 sec)
 ```
 
-To specify the content and format of the output, you can use the `FORMAT = xxx` syntax in the `EXPLAIN` statement. Currently, TiDB supports the following formats:
+To specify the content and format of the `EXPLAIN` output, you can use the `FORMAT = xxx` syntax. Currently, TiDB supports the following formats:
 
 | FORMAT | Description |
 | ------ | ------ |
-| Empty  | Same as `row` |
+| Not specified  | If the format is not specified, `EXPLAIN` uses the default format `row`. |
 | `row`  | The `EXPLAIN` statement outputs results in a tabular format. See [Understand the Query Execution Plan](/explain-overview.md) for more information. |
 | `brief`  | The operator IDs in the output of the `EXPLAIN` statement are simplified, compared with those when `FORMAT` is left unspecified. |
 | `dot`    | The `EXPLAIN` statement outputs DOT execution plans, which can be used to generate PNG files through a `dot` program (in the `graphviz` package). |
@@ -326,7 +326,7 @@ EXPLAIN FORMAT = "tidb_json" SELECT id FROM t WHERE a = 1;
 1 row in set (0.01 sec)
 ```
 
-In the output, `id`, `estRows`, `task`, `access object`, and `operator info` have the same meaning as in the default format. `subOperators` is an array that stores the sub-nodes. The fields and meanings of the sub-nodes are the same as the parent nodes. If a field is missing, it means that the field is empty.
+In the output, `id`, `estRows`, `taskType`, `accessObject`, and `operatorInfo` have the same meaning as in the default format. `subOperators` is an array that stores the sub-nodes. The fields and meanings of the sub-nodes are the same as the parent nodes. If a field is missing, it means that the field is empty.
 
 </div>