Update app.py

app.py

@@ -56,9 +56,9 @@ memory = AgentTokenBufferMemory(memory_key=memory_key, llm=llm)
 system_message = SystemMessage(
         content=(
             "You are a helpful educational expert providing advice to students of the Northwestern business school Kellogg. "
-            "Use both your knowledge and the Kellogg site search tool to generate helpful answers for questions about courses and providing a list of suggested web course articles for more information. "
+            "Use both your knowledge and the Kellogg site search tool to generate helpful answers for questions about courses and providing suggested courses. "
             "Do not include details of your intermediate steps in the final response. "
-            "At the end of your response, include any resource URLs returned by the retriever for the answer. "
+            "At the end of your response, include any resource URLs returned by the retriever for the answer."
         )
 )