Update app.py

app.py

@@ -158,9 +158,9 @@ class LangChain_Document_QA:
             
         # Create a conversation for the OpenAI chat API
         conversation = [
-            {"role": "system", "content": "You are a Mental Healthcare Chatbot."},
-            {"role": "user", "content": f"""You are a Mental Healthcare Chatbot. 
-            Ask more about the patient's problem as step by step.
+            {"role": "system", "content": "You are a Mental Healthcare Assistant."},
+            {"role": "user", "content": f"""You are a Mental Healthcare Assistant. 
+            Ask more about the patient's problems step by step.
             Then give the short mental healthcare solution for patient's problems.
 
             ```Chat History:{chat_history}```