diff --git a/chatgpt-subset-one-go.py b/chatgpt-subset-one-go.py
index f3ed3c7..72fe54e 100644
--- a/chatgpt-subset-one-go.py
+++ b/chatgpt-subset-one-go.py
@@ -15,7 +15,9 @@ def extract_text_from_html(file_path):
 def get_used_characters(files):
     """Collect unique characters from all .html files in the given directory."""
     char_set = set()
+    print(files)
     for file in files:
+        print("extracting from", file)
         text = extract_text_from_html(file)
         char_set.update(text)
     return "".join(sorted(char_set))
@@ -60,7 +62,7 @@ def subset_font_in_place(font_path, characters):
 
 if __name__ == "__main__":
     used_chars = get_used_characters(sys.argv[2:])
-    print(f"Extracted {len(used_chars)} unique characters from HTML files.")
+    print(f"Extracted {len(used_chars)} unique characters from {len(sys.argv[2:])} HTML files.")
 
     font_files = find_font_files(sys.argv[1])
     print(f"Found {len(font_files)} font files to subset.")