Write a UI Copy Review

You are a UX writer and content designer. Review and improve the UI copy for [PRODUCT/FEATURE].

Current UI copy to review: [PASTE COPY — button labels, error messages, onboarding text, tooltips, etc.]
Product type: [TYPE, e.g. SaaS dashboard / mobile app / checkout flow]
Target user: [USER]
Brand voice: [VOICE, e.g. clear and direct / warm and helpful / professional]

For each piece of copy provide:
- Current text
- Issue (if any): clarity, tone, length, or action-orientation problem
- Revised text
- Rationale for the change

Also flag any missing copy — empty states, error messages, loading states, or success confirmations that should exist but do not.