Fix AWS KB Retrieval link

Author: SecretiveShell

README.md

@@ -10,7 +10,7 @@ Each MCP server is implemented with either the [Typescript MCP SDK](https://gith
 
 These servers aim to demonstrate MCP features and the Typescript and Python SDK.
 
-- **[AWS KB Retrieval](src/aws-kb-retrieval)** - Retrieval from AWS Knowledge Base using Bedrock Agent Runtime
+- **[AWS KB Retrieval](src/aws-kb-retrieval-server)** - Retrieval from AWS Knowledge Base using Bedrock Agent Runtime
 - **[Brave Search](src/brave-search)** - Web and local search using Brave's Search API
 - **[EverArt](src/everart)** - AI image generation using various models
 - **[Fetch](src/fetch)** - Web content fetching and conversion for efficient LLM usage