diff --git a/.github/prepare_web_viewer.py b/.github/prepare_web_viewer.py
index 4593ef7..390995a 100644
--- a/.github/prepare_web_viewer.py
+++ b/.github/prepare_web_viewer.py
@@ -34,12 +34,12 @@ if __name__ == "__main__":
                 course_content = notes_metadata[year][semester][course]["content"]
 
                 if (len(course_content) == 1) and (course_content[0]["name"] is None):
-                    table_of_content += f"<h2><a href='{os.path.join(args.gh_raw_pdf_url, course_content[0]['url'])}'>{course_name}</a></h2>\n"
+                    table_of_content += f"<h3><a href='{os.path.join(args.gh_raw_pdf_url, course_content[0]['url'])}'>{course_name}</a></h3>\n"
                 else:
-                    table_of_content += f"<h2>{course_name}</h2>\n"
+                    table_of_content += f"<h3>{course_name}</h3>\n"
                     table_of_content += "<ul>\n"
                     for content in course_content:
-                        table_of_content += f"<li><h3><a href='{os.path.join(args.gh_raw_pdf_url, content['url'])}'>{content['name']}</a></h3></li>\n"
+                        table_of_content += f"<li><h4><a href='{os.path.join(args.gh_raw_pdf_url, content['url'])}'>{content['name']}</a></h4></li>\n"
                     table_of_content += "</ul>\n"
 
     with open(os.path.join(args.out_path, "index.html"), "w") as f:
diff --git a/.github/web-viewer/index.html b/.github/web-viewer/index.html
index 62fa521..9d3eb8a 100644
--- a/.github/web-viewer/index.html
+++ b/.github/web-viewer/index.html
@@ -3,7 +3,7 @@
 <head>
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <title>Document</title>
+    <title>M.Sc. AI notes</title>
 
     <style>
         * {
@@ -27,7 +27,8 @@
 </head>
 <body>
 
-    <h1>Table of contents</h1>
+    <h1>Unibo Master's degree in AI - Notes</h1>
+    <h2>Table of contents</h2>
     <!-- begin-toc -->
     <!-- end-toc -->
 </body>
