[Doc] opt doc (#1118)

Signed-off-by: David Chen <530634352@qq.com>

examples/online_serving/lora_inference/README.md

@@ -1,4 +1,4 @@
-# Online LoRA Inference (Diffusion)
+# LoRA Inference(Diffusion)
 
 This example shows how to use **per-request LoRA** with vLLM-Omni diffusion models via the OpenAI-compatible Chat Completions API.
 

examples/online_serving/qwen3_tts/README.md

@@ -1,4 +1,4 @@
-# Qwen3-TTS Online Serving
+# Qwen3-TTS
 
 This directory contains examples for running Qwen3-TTS models with vLLM-Omni's online serving API.