Update app.py

app.py

@@ -172,7 +172,8 @@ for message in st.session_state.messages:
     with st.chat_message(message["role"]):
         st.markdown(message["content"])
 
-
+with st.chat_message("user"):
+    st.write("Hello 👋")
 
 QUESTION = st.chat_input('Ask a question -e.g How to prepare for Verbal section for CAT?')
 
@@ -189,7 +190,7 @@ if QUESTION:
     # Add user message to chat history
     st.session_state.messages.append({"role": "user", "content": QUESTION})
 
-    st.write('Searching knowledgebase...')
+    st.write('Searching knowledge base...')
     question_embedding = bi_encoder.encode(QUESTION, convert_to_tensor=True)
 
     THRESHOLD=.4