diff --git a/docs/guides/llm_api_key_setup.md b/docs/guides/llm_api_key_setup.md
index bd1019f44..598440097 100644
--- a/docs/guides/llm_api_key_setup.md
+++ b/docs/guides/llm_api_key_setup.md
@@ -20,7 +20,7 @@ For now, RAGFlow supports the following online LLMs. Click the corresponding lin
 - [VolcEngine](https://www.volcengine.com/docs/82379).
 
 :::note
-If you find your online LLM is not on the list, don't feel disheartened. The list is expanding, and you can [file a feature request](https://github.com/infiniflow/ragflow/issues/new?assignees=&labels=feature+request&projects=&template=feature_request.yml&title=%5BFeature+Request%5D%3A+) with us! Alternatively, if you have customized models or have locally-deployed models, you can [bind them to RAGFlow using Ollama or Xinference](./deploy_local_llm.md).
+If you find your online LLM is not on the list, don't feel disheartened. The list is expanding, and you can [file a feature request](https://github.com/infiniflow/ragflow/issues/new?assignees=&labels=feature+request&projects=&template=feature_request.yml&title=%5BFeature+Request%5D%3A+) with us! Alternatively, if you have customized or locally-deployed models, you can [bind them to RAGFlow using Ollama or Xinference](./deploy_local_llm.md).
 :::
 
 ## Configure your API key
diff --git a/docs/references/api.md b/docs/references/api.md
index d0d91fc28..e4a153bae 100644
--- a/docs/references/api.md
+++ b/docs/references/api.md
@@ -14,13 +14,17 @@ https://demo.ragflow.io/v1/
 
 ## Authorization
 
-All of RAGFlow's RESTFul APIs use API key for authorization, so keep it safe and do not expose it to the front end. 
+All of RAGFlow's RESTful APIs use API key for authorization, so keep it safe and do not expose it to the front end. 
 Put your API key in the request header. 
 
 ```buildoutcfg
 Authorization: Bearer {API_KEY}
 ```
 
+:::note
+In the current design, the RESTful API key you get from RAGFlow does not expire.
+:::
+
 To get your API key:
 
 1. In RAGFlow, click **Chat** tab in the middle top of the page.