diff --git a/_layouts/default.html b/_layouts/default.html
index d9db6c7..d0f99f2 100644
--- a/_layouts/default.html
+++ b/_layouts/default.html
@@ -38,12 +38,13 @@
                         <li><a href="/index.html#command_line_interface">Command Line Interface</a></li>
                     </ul>
                 </li>
+                <li><a href="/index.html#dependency_management">Dependency Management</a></li>
                 <li><a href="/index.html#databases_and_pdo">Databases and PDO</a></li>
                 <li><a href="/index.html#security">Security</a>
                     <ul>
                         <li><a href="/index.html#web_application_security">Web Application Security</a></li>
                         <li><a href="/index.html#password_hashing_with_bcrypt">Password Hashing with Bcrypt</a></li>
-                        <li><a href="/index.html#dependency_management">Dependency Management</a></li>
+                        <li><a href="/index.html#input_filtering_and_sanitizing">Input Filtering and Sanitizing</a></li>
                     </ul>
                 </li>
                 <li><a href="/index.html#testing">Testing</a></li>