Minor: Fixed a broken link (#3451)

### What problem does this PR solve?



### Type of change


- [x] Documentation Update

docs/guides/agentic_rag/general_purpose_chatbot.md

 
 1. Ensure you have properly set the LLM to use. See the guides on [Configure your API key](../llm_api_key_setup.md) or [Deploy a local LLM](../deploy_local_llm.mdx) for more information.
 2. Ensure you have a knowledge base configured and the corresponding files properly parsed. See the guide on [Configure a knowledge base](../configure_knowledge_base.md) for more information.
-3. Make sure you have read the [Introduction to Agentic RAG](./agentic_rag_introduction.md).
+3. Make sure you have read the [Introduction to Agentic RAG](./agent_introduction.md).
 
 ## Create a chatbot agent from template