📝 docs : update docker.mdx (lobehub#3273)

Author: ssahillppatell

docs/self-hosting/platform/docker.mdx

@@ -64,7 +64,7 @@ Command explanation:
 
 - Replace `sk-xxxx` in the above command with your OpenAI API Key.
 
-- For the complete list of environment variables supported by LobeChat, please refer to the [Environment Variables](/docs/self-hosting/environment-ariable) section.
+- For the complete list of environment variables supported by LobeChat, please refer to the [Environment Variables](/docs/self-hosting/environment-variables) section.
 
 <Callout type="tip">
   Since the official Docker image build takes about half an hour, if you see the "update available"