update ollama install

README.md

@@ -338,6 +338,8 @@ model = xinfer.create_model(model)
 <details>
 <summary><a href="https://github.com/ollama/ollama"><img src="https://img.shields.io/badge/Ollama-darkgreen?style=for-the-badge&logo=Ollama&logoColor=white" alt="Ollama"></a></summary>
 
+To use Ollama models, you'll need to install the Ollama on your machine. See [Ollama Installation Guide](https://ollama.com/download) for more details.
+
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