diff --git a/main.py b/main.py
index aa49307..f8b7175 100755
--- a/main.py
+++ b/main.py
@@ -276,7 +276,9 @@ def traverse_dict(d: dict, html_str: str, level: int) -> str:
         indent: str = "\t" * level
         for item in d:
             if item["type"] == "folder":
-                html_str += f'\n{indent}<DT><H3>{item["title"]}</H3>'
+                # We want to start at H2, because H1 is the page title. 
+                tag = "H" + str(level + 1) if level <= 5 else "H6"
+                html_str += f'\n{indent}<DT><{tag}>{item["title"]}</{tag}>'
                 html_str += f"\n{indent}<DL><p>"
                 html_str = traverse_dict(item["children"], html_str, level + 1)
                 html_str += f"\n{indent}</DL><p>"