Update app.py

app.py

@@ -80,7 +80,7 @@ example_questions = [
 ]
 
 # File Selection Section
-source_files = glob("source/*.txt")
+source_files = glob("sources/*.txt")
 selected_files = st.multiselect("Select files from the source directory:", source_files, default=source_files[:2])
 
 uploaded_files = st.file_uploader("Or upload your TXT files:", accept_multiple_files=True, type=['txt'])