Updated app title and text

app.py

@@ -5,7 +5,6 @@ from llama_index.core.indices.query.query_transform import HyDEQueryTransform
 from llama_index.core.llms import ChatMessage, MessageRole
 from llama_index.llms.nvidia import NVIDIA
 from llama_index.embeddings.nvidia import NVIDIAEmbedding
-from llama_index.core.embeddings.utils import resolve_embed_model
 from llama_index.core.query_engine import TransformQueryEngine
 from langchain_core.documents import Document as LangDocument
 from llama_index.core import Document as LlamaDocument
@@ -168,8 +167,8 @@ def query_model_with_context(question):
 
 
 # Streamlit UI
-st.title("Chat with HyDE + Rerank RAG App")
-question = st.text_input("Enter your question:")
+st.title("Chat with this HyDE + Rerank RAG App")
+question = st.text_input("Enter a relevant question to chat with the attached PhilDataset PDF file:")
 
 if st.button("Submit"):
     if question: