diff --git a/docs/_includes/header.html b/docs/_includes/header.html
index 3a6c9a9..36bd780 100644
--- a/docs/_includes/header.html
+++ b/docs/_includes/header.html
@@ -15,7 +15,7 @@
 }
 </style>
 
-<button class="headerlink" onclick="windows.location.assign('/')">Readme</button>
-<button class="headerlink" onclick="windows.location.assign('/changelogs/')">Changelogs</button>
-<button class="headerlink" onclick="windows.location.assign('/building.md')">Building</button>
-<button class="headerlink" onclick="windows.location.assign('/modchart.md')">Modcharts</button>
+<button class="headerlink" onclick="window.location.assign('/')">Readme</button>
+<button class="headerlink" onclick="window.location.assign('/changelogs/')">Changelogs</button>
+<button class="headerlink" onclick="window.location.assign('/building.md')">Building</button>
+<button class="headerlink" onclick="window.location.assign('/modchart.md')">Modcharts</button>