Update openhands/usage/llms/openhands-llms.mdx

Remove language about only one LLM API key

Co-authored-by: Engel Nyst <engel.nyst@gmail.com>

Author: DevinVinson

openhands/usage/llms/openhands-llms.mdx

@@ -55,7 +55,7 @@ export LLM_MODEL="openhands/claude-sonnet-4-20250514"
  Unable to find token in cache or `LiteLLM_VerificationTokenTable`
   ```
 
-  You can create multiple OpenHands API Keys to work with the [Cloud API](https://docs.openhands.dev/openhands/usage/cloud/cloud-api) but there is only one OpenHands LLM API Key for your account.
+OpenHands Cloud API Keys work with the [Cloud API](https://docs.openhands.dev/openhands/usage/cloud/cloud-api), while OpenHands LLM API Keys work with your chosen LLM via the OpenHands provider.
 </Warning>
 
 ### Example