Update Postman documentation link in README

Fixed Postman documentation URL to point to correct API endpoint.

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

Author: makowskid

README.md

@@ -16,7 +16,7 @@ Check the full documentation on the [Content Paraphrase Text API for PHP API](ht
 | Resource | Link |
 |----------|------|
 | **Main API Documentation** | [Authorization, Webhooks, Polling & More](https://documenter.getpostman.com/view/31106842/2s9Ye8faUp) |
-| **Postman Documentation** | [View Docs](https://documenter.getpostman.com/view/31106842/2sBXVeGsVZ) |
+| **Postman Documentation** | [View Docs](https://documenter.getpostman.com/view/31106842/2sBXVeGsRS) |
 | **Product Details** | [SharpAPI.com](https://sharpapi.com/en/catalog/ai/content-marketing-automation/paraphrase-text) |
 | **SDK Libraries** | [GitHub - SharpAPI SDKs](https://github.com/sharpapi) |