The Classes Settings section in the FitnessLife theme Customizer contains 4 options. Navigate to Appearance → Customize → Theme Options → Classes Settings to access these settings.

Options

• Classes Custom Post Type (On/Off) — Enable or disable the Classes post type.
• URL Rewrite Slug (Text) — Custom URL slug for classes.
• URL Rewrite Name (Text) — Name shown in breadcrumbs for classes.
• Category URL Rewrite (Text) — Custom URL slug for class categories.

After making changes, click Publish at the top of the Customizer to save your settings.