[Docs] Fix docs heading (#1150)

docs/components/llms.mdx

@@ -394,7 +394,7 @@ llm:
 
 </CodeGroup>
 
-## Ollama
+## vLLM
 
 Setup vLLM by following instructions given in [their docs](https://docs.vllm.ai/en/latest/getting_started/installation.html).