Update app.py

app.py

@@ -38,7 +38,7 @@ def main():
             embeddings = OpenAIEmbeddings()
             knowledge_base = FAISS.from_texts(chunks, embeddings)
             
-            user_question = st.text_input("Ask a question about your PDF:", key=f"question_{idx}")
+            user_question = st.text_input(f"Ask a question about '{pdf_file.name}':", key=f"question_{idx}")
             if user_question:
                 docs = knowledge_base.similarity_search(user_question)