Update README.md

Author: omaralalwi

README.md

@@ -425,7 +425,7 @@ The MIT License (MIT). See [LICENSE](LICENSE.md) for more information.
 
 Click the button bellow or [join here](https://t.me/gpdf_community) to be part of our growing community!
 
-[![Join Telegram](https://img.shields.io/badge/Join-Telegram-blue?style=for-the-badge&logo=telegram)](https://t.me/deepseek_php_community)
+[![Join Telegram](https://img.shields.io/badge/Join-Telegram-blue?style=for-the-badge&logo=telegram)](https://t.me/gpdf_community)
 
 
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@@ -470,4 +470,4 @@ Click the button bellow or [join here](https://t.me/gpdf_community) to be part o
 
 - <a href="https://github.com/omaralalwi/clean-code-summary"><img src="https://avatars.githubusercontent.com/u/25439498?v=4" width="26" height="26" style="border-radius:13px;" alt="Clean Code Summary" /> **Clean Code Summary** </a> summarize and notes for books and practices about clean code.
 
-- <a href="https://github.com/omaralalwi/solid-principles-summary"><img src="https://avatars.githubusercontent.com/u/25439498?v=4" width="26" height="26" style="border-radius:13px;" alt="SOLID Principles Summary" /> **SOLID Principles Summary** </a> summarize and notes for books about SOLID Principles.
+- <a href="https://github.com/omaralalwi/solid-principles-summary"><img src="https://avatars.githubusercontent.com/u/25439498?v=4" width="26" height="26" style="border-radius:13px;" alt="SOLID Principles Summary" /> **SOLID Principles Summary** </a> summarize and notes for books about SOLID Principles.