Update wording

app.py

@@ -61,7 +61,7 @@ demo = gr.ChatInterface(
         ),
     ],
     title="RouteLLM",
-    description="This is a demo of our matrix factorization router, calibrated so that approximately 50% of harder calls are routed to GPT-4, with remaining calls routed to Mixtral 8x7B.\nSee https://github.com/lm-sys/RouteLLM for details!",
+    description="This is a demo of our matrix factorization router, calibrated so that approximately 50% of calls (those that are harder) are routed to GPT-4, with remaining calls routed to Mixtral 8x7B.\n\nCheck out https://github.com/lm-sys/RouteLLM for details!",
 )
 
 if __name__ == "__main__":