To modify an existing TPO Set:
On the Search Workbench tab, select Text Processing Option Sets from the Show menu.
In the Text Processing Option Sets menu, go to Text Processing Option Sets > Search Project TPO Sets or Content TPO Sets > Your Option Set.
Make your changes.
Options in content-level TPO sets are set to “Use Search Project-level setting” by default. Select “Use Content-level setting” to enable an option.
Options are described in the Text Processing Option Reference section of this chapter.
When finished, click Save Options.