Update README.md

Typo when copying Qwen api to Gemini api

model_worker/README.md

@@ -16,7 +16,7 @@ pip install -U google-generativeai==0.7.0
     "API_MODEL": "YOUR_MODEL"
 }
 ```
-NOTE: `API_MODEL` is the model name of QWen LLM API. 
+NOTE: `API_MODEL` is the model name of Gemini LLM API. 
 You can find the model name in the [Gemini LLM model list](https://ai.google.dev/gemini-api).
 If you meet the `429 Resource has been exhausted (e.g. check quota).`, it may because the rate limit of your Gemini API.
 
@@ -80,4 +80,4 @@ NOTE: `API_BASE` is the URL started in the Ollama LLM server and `API_MODEL` is
 }
 ```
 
-NOTE: You should create a new Python script <custom_model>.py in the ufo/llm folder like the format of the <placeholder>.py, which needs to inherit `BaseService` as the parent class, as well as the `__init__` and `chat_completion` methods. At the same time, you need to add the dynamic import of your file in the `get_service` method of `BaseService`.
+NOTE: You should create a new Python script <custom_model>.py in the ufo/llm folder like the format of the <placeholder>.py, which needs to inherit `BaseService` as the parent class, as well as the `__init__` and `chat_completion` methods. At the same time, you need to add the dynamic import of your file in the `get_service` method of `BaseService`.