sysadmin: Fix docs on user management (DCL)

docs/blueql/4.dcl.md

@@ -21,7 +21,7 @@ SYSCTL REPORT STATUS
 
 **Syntax**:
 ```sql
-SYSCTL CREATE USER 'username' WITH { password: 'password' }
+SYSCTL CREATE USER <username> WITH { password: 'password' }
 ```
 - **Access control**: `root` only
 - **Returns**: empty or error
@@ -30,7 +30,7 @@ SYSCTL CREATE USER 'username' WITH { password: 'password' }
 
 **Syntax**:
 ```sql
-SYSCTL ALTER USER 'username' WITH { password: 'new password' }
+SYSCTL ALTER USER <username> WITH { password: 'new password' }
 ```
 
 - **Access control**: `root` only
@@ -45,7 +45,7 @@ Trying to change the `root` account password will throw an error. You can only c
 
 **Syntax**:
 ```sql
-SYSCTL DROP USER 'username'
+SYSCTL DROP USER <username>
 ```
 - **Access control**: `root` only
 - **Returns**: empty or error

docs/system/2.user-management.md

@@ -35,9 +35,19 @@ what you intended, you can safely ignore it.
 
 You can have any number of standard users. Standard users can essentially manipulate data but can't modify the objects that store them.
 
-#### Changing account passwords
+#### Creating user accounts
 
-To change the password for a given account, you can follow the [instructions on BlueQL's DCL guide here](/blueql/dcl#sysctl-alter-user).
+To create an user account, run the following BlueQL query:
+
+```sql
+SYSCTL CREATE USER <username> WITH { password: 'password' }
+```
+
+Read more about [creating users here](/blueql/dcl#sysctl-create-user).
+
+#### Updating and removing user accounts
+
+To remove or update an account, you can follow the [instructions on BlueQL's DCL guide here](/blueql/dcl).
 
 #### Rights