SEO: Update description

README.md

@@ -62,10 +62,10 @@ Varies by tier — documented in the API reference. Rate limit headers are inclu
 
 **Buy once, own forever. All future updates included at no extra cost.**
 
-## Pricing
+## Get the Full Version
 
 - **Demo**: Free on Hugging Face Spaces
-- **Full Source Code**: $42.23
+- **[Buy Now](https://buy.stripe.com/bJe6oHfXx6Akg88cDWcZc1p)** — Secure checkout
 
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