Update app.py

app.py

@@ -57,7 +57,7 @@ class AgentState(TypedDict):
 # ------------------------------
 class ResearchConfig:
     """
-    Universal configuration for the research system, referencing Tufa Labs' LADDER approach.
+    Universal configuration for the research system.
 
     Make sure to set DEEPSEEK_API_KEY in your environment or HF Space secrets
     to enable the external LLM calls.