diff --git a/book/robot/inspector.ipynb b/book/robot/inspector.ipynb
index 157e235b..f811ee9d 100644
--- a/book/robot/inspector.ipynb
+++ b/book/robot/inspector.ipynb
@@ -107,7 +107,7 @@
    "source": [
     "# Robot hands\n",
     "\n",
-    "I don't have the same smörgåsbord of robot models to offer for robot hands (yet).  We do have the allegro hand model available, and I'm happy to add more here (though many will require some care to handle their kinematic constraints).  For now, you can at least try out the [Allegro Hand](http://www.wonikrobotics.com/Allegro-Hand.htm).\n",
+    "I don't have the same smörgåsbord of robot models to offer for robot hands (yet).  We do have the allegro hand model available, and I'm happy to add more here (though many will require some care to handle their kinematic constraints).  For now, you can at least try out the [Allegro Hand](https://www.allegrohand.com/).\n",
     "\n",
     "TODO(russt): Consider porting Robotiq, Sandia, or IHY-hand from our [openhumanoids](https://github.com/openhumanoids/oh-distro/tree/master/software/models/common_components) project."
    ]