Merge pull request #167 from matthewfischer/patch-1

Update gradio-server.mdx

Author: burtenshaw

units/en/unit2/gradio-server.mdx

@@ -75,7 +75,7 @@ if __name__ == "__main__":
 Let's break down the key components:
 
 1. **Function Definition**:
-   - The `sentiment_analysis` function takes a text input and returns a dictionary
+   - The `sentiment_analysis` function takes a text input and returns the string representation of a JSON dictionary
    - It uses TextBlob to analyze the sentiment
    - The docstring is crucial as it helps Gradio generate the MCP tool schema
    - Type hints (`str` and `dict`) help define the input/output schema