Don't add (s) or (es) to a singular noun to indicate that it can be singular or plural. Most of the time, use plural instead. If it's important to indicate both, use one or more.
Examples
To add rows or columns to a table, ....To add one or more rows or columns to a table, ....
From https://learn.microsoft.com/en-us/style-guide/a-z-word-list-term-collections/s/s-es