Update app.py

app.py

@@ -12,6 +12,12 @@ from Gradio_UI import GradioUI
 def extract_knowledge_graph(text: str) -> str:
     """
     Uses a Hugging Face chat model to extract entities and relations from the input text.
+
+    Args:
+        text: The input text string containing entities and relationships.
+
+    Returns:
+        A string representing the knowledge graph in triple format.
     """
     HF_TOKEN = os.environ.get("HF_TOKEN")
     if not HF_TOKEN: