diff --git a/docs-2.0/3.ngql-guide/7.general-query-statements/6.show/17.show-sessions.md b/docs-2.0/3.ngql-guide/7.general-query-statements/6.show/17.show-sessions.md
index 863a77c972a..b8981a26d7a 100644
--- a/docs-2.0/3.ngql-guide/7.general-query-statements/6.show/17.show-sessions.md
+++ b/docs-2.0/3.ngql-guide/7.general-query-statements/6.show/17.show-sessions.md
@@ -55,9 +55,9 @@ nebula> SHOW SESSION 1623304491050858;
 |:---|:---|
 |`SessionId`|The session ID, namely the identifier of a session.|
 |`UserName`|The username in a session.|
-|`SpaceName`|The graph space that the user uses currently which is empty (`""`) when initially created.|
+|`SpaceName`|The name of the graph space that the user uses currently. It is null (`""`) when you first log in because there is no specified graph space.|
 |`CreateTime`|The time when the session is created, namely the time when the user logs in. The time zone is specified by `timezone_name` in the configuration file.|
 |`UpdateTime`|The system will update the time when there is an operation. The time zone is specified by `timezone_name` in the configuration file.|
-|`GraphAddr`|The IP address and port of Graph Service in a session.|
+|`GraphAddr`|The IP address and port of the Graph server that hosts the session.|
 |`Timezone`|A reserved parameter that has no specified meaning for now.|
 |`ClientIp`|The IP address of the client.|
diff --git a/docs-2.0/3.ngql-guide/7.general-query-statements/6.show/18.show-queries.md b/docs-2.0/3.ngql-guide/7.general-query-statements/6.show/18.show-queries.md
index fb22d5263c4..c46a6df69f5 100644
--- a/docs-2.0/3.ngql-guide/7.general-query-statements/6.show/18.show-queries.md
+++ b/docs-2.0/3.ngql-guide/7.general-query-statements/6.show/18.show-queries.md
@@ -50,11 +50,11 @@ The descriptions are as follows.
 
 |Parameter|Description|
 |:---|:---|
-| `SessionID` | The session ID.  |
-| `ExecutionPlanID` |  The ID of the execution plan. |
-| `User` | The username that executes the query.  |
-| `Host` | The IP address and port of the user.  |
-| `StartTime` | The time when the query starts.  |
-| `DurationInUSec` | The duration of the query. The unit is microsecond.  |
-| `Status` | The current status of the query.  |
-| `Query` |  The query statement. |
+| `SessionID` | The session ID. |
+| `ExecutionPlanID` | The ID of the execution plan. |
+| `User` | The username that executes the query. |
+| `Host` | The IP address and port of the Graph server that hosts the session. |
+| `StartTime` | The time when the query starts. |
+| `DurationInUSec` | The duration of the query. The unit is microsecond. |
+| `Status` | The current status of the query. |
+| `Query` | The query statement. |