diff --git a/_docs/index.tmpl.html b/_docs/index.tmpl.html
index 1ec013c3d..44395f334 100644
--- a/_docs/index.tmpl.html
+++ b/_docs/index.tmpl.html
@@ -23,7 +23,7 @@
     </ul>
     <ul class="nav">
       <li class="nav-item"><a class="nav-link" href="https://github.com/hajimehoshi/ebiten">GitHub</a></li>
-      <li class="nav-item"><a class="nav-link" href="https://godoc.org/github.com/hajimehoshi/ebiten">GoDoc</a></li>
+      <li class="nav-item"><a class="nav-link" href="https://godoc.org/github.com/hajimehoshi/ebiten">API</a></li>
       <li class="nav-item"><a class="nav-link" href="https://github.com/hajimehoshi/ebiten/wiki/Cheat-Sheet">Cheat Sheet</a></li>
       <li class="nav-item"><a class="nav-link" href="https://github.com/hajimehoshi/ebiten/wiki">Wiki</a></li>
     </ul>
diff --git a/docs/index.html b/docs/index.html
index 2390c6c2b..3920dd6e8 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -23,7 +23,7 @@
     </ul>
     <ul class="nav">
       <li class="nav-item"><a class="nav-link" href="https://github.com/hajimehoshi/ebiten">GitHub</a></li>
-      <li class="nav-item"><a class="nav-link" href="https://godoc.org/github.com/hajimehoshi/ebiten">GoDoc</a></li>
+      <li class="nav-item"><a class="nav-link" href="https://godoc.org/github.com/hajimehoshi/ebiten">API</a></li>
       <li class="nav-item"><a class="nav-link" href="https://github.com/hajimehoshi/ebiten/wiki/Cheat-Sheet">Cheat Sheet</a></li>
       <li class="nav-item"><a class="nav-link" href="https://github.com/hajimehoshi/ebiten/wiki">Wiki</a></li>
     </ul>