Bold vLLM in serving docs

README.md

@@ -282,7 +282,7 @@ curl -X POST http://localhost:8000/v1/audio/transcriptions \
   -F max_new_tokens=65536
 ```
 
-MOSS-Transcribe-Diarize also supports vLLM serving through the OpenAI-compatible transcription API. Use a pinned vLLM nightly build that includes the MOSS-Transcribe-Diarize model registration. Choose one of the following commands: for CUDA 12 environments, use `cu129`; for CUDA 13 environments, use `cu130`.
+MOSS-Transcribe-Diarize also supports **vLLM** serving through the OpenAI-compatible transcription API. Use a pinned vLLM nightly build that includes the MOSS-Transcribe-Diarize model registration. Choose one of the following commands: for CUDA 12 environments, use `cu129`; for CUDA 13 environments, use `cu130`.
 
 ```bash
 uv pip install -U vllm \