diff --git a/index.json b/index.json
index 9bba3d85..7281e863 100644
--- a/index.json
+++ b/index.json
@@ -919,7 +919,7 @@
       "currentSpecification": "input-device-capabilities"
     },
     "nightly": {
-      "url": "https://wicg.github.io/InputDeviceCapabilities/"
+      "url": "https://wicg.github.io/input-device-capabilities/"
     },
     "title": "Input Device Capabilities",
     "source": "specref"