diff --git a/header-folder.js b/header-folder.js
index 2b8cc7b..363f83b 100644
--- a/header-folder.js
+++ b/header-folder.js
@@ -19,7 +19,7 @@ class Header extends HTMLElement {
                 <li><a href="../internet_tools/index.html">Tools</a></li>
                 <li><a href="../multimedia/index.html">Multimedia</a></li>
                 <li><a href="../operating_systems/index.html">OS</a></li>
-                <li><a href="../social-platforms/index.html">Social media</a></li>
+                <li><a href="../social_platforms/index.html">Social media</a></li>
             </ul>
         </div>
     </header>
diff --git a/header.js b/header.js
index 02e90e3..f22b8e0 100644
--- a/header.js
+++ b/header.js
@@ -19,7 +19,7 @@ class Header extends HTMLElement {
                 <li><a href="internet_tools/index.html">Tools</a></li>
                 <li><a href="multimedia/index.html">Multimedia</a></li>
                 <li><a href="operating_systems/index.html">OS</a></li>
-                <li><a href="social-platforms/index.html">Social media</a></li>
+                <li><a href="social_platforms/index.html">Social media</a></li>
             </ul>
         </div>
     </header>