diff --git a/src/streamlit_app.py b/src/streamlit_app.py
index 748f57f..597f51f 100644
--- a/src/streamlit_app.py
+++ b/src/streamlit_app.py
@@ -61,9 +61,9 @@ with st.sidebar:
 # Main content area
 if processing_mode == "File Upload":
     if file_type == "Excel":
-    st.header("Excel File Processing")
-    
-    col1, col2 = st.columns(2)
+        st.header("Excel File Processing")
+        
+        col1, col2 = st.columns(2)
     
     with col1:
         uploaded_files = st.file_uploader(