diff --git a/main.py b/main.py
index bfbeb69..9bb2818 100644
--- a/main.py
+++ b/main.py
@@ -47,7 +47,7 @@ class DBConn:
     def write_to_database(self, tbl, column_data):
         col_names = column_data.keys()  # OrderedDict
 
-        col_names = ', '.join(
+        col_names_placeholder = ', '.join(
             [f"\"{x}\"" for x in col_names]
         )
         value_placeholders = ', '.join(
@@ -69,10 +69,12 @@ class DBConn:
                 for new_col in not_found:
                     self.cur.execute(f"alter table \"{tbl}\" add column \"{new_col}\" text")
 
-                print(f"added {not_found} cols to {tbl}")
+                print(f"added new cols {', '.join(not_found)} to {tbl}")
                 self.table_mapping[tbl] = column_data
 
-        sql = f"insert into \"{tbl}\" ({col_names}) values({value_placeholders})"
+        sql = f"insert into \"{tbl}\" ({col_names_placeholder}) values({value_placeholders})"
+        if args.debug:
+            print(f"insert sql = {sql}")
         self.cur.execute(sql, values)
 
     def make_csv_from_tables(self, prefix=''):