Update README with correct environment variable name

README.md

@@ -25,13 +25,13 @@ A Streamlit application that helps parents experience unique parenting support a
 1. Create a `.env` file in the root directory
 2. Add your Anthropic API key:
 ```
-ANTHROPIC_API_KEY=your_api_key_here
+ANTHROPIC_KEY=your_api_key_here
 ```
 
 ### Hugging Face Spaces
 1. Go to your Space's Settings
 2. Under "Repository secrets", add:
-   - Name: `ANTHROPIC_API_KEY`
+   - Name: `ANTHROPIC_KEY`
    - Value: Your Anthropic API key
 
 ### Testing API Key
@@ -52,4 +52,4 @@ streamlit run src/streamlit_app.py
 ```
 
 ## Deployment
-The app is configured for deployment on Hugging Face Spaces. Make sure to set the `ANTHROPIC_API_KEY` in the Space's secrets before deploying.
+The app is configured for deployment on Hugging Face Spaces. Make sure to set the `ANTHROPIC_KEY` in the Space's secrets before deploying.