You can modify the description of a parameter template you have created.
You cannot modify the description of a default parameter template.
Procedure
Log in to the management console.
Click in the upper left corner and select a region and a project.
Click Service List. Under Database, click GaussDB.
On the Parameter Template Management page, click Custom Templates. Locate the parameter template you want to modify and click in the Description column.
Enter a new description. You can click to submit or to cancel the modification.
After you submit the modification, you can view the new description in the Description column.
The description consists of 256 characters but cannot contain the following special characters: >!<"&'=