diff --git a/index.html b/index.html
index f6f5f34..8649379 100644
--- a/index.html
+++ b/index.html
@@ -534,7 +534,7 @@ <h2>
       </h2>
       <pre class="idl">
         partial interface Navigator {
-          [SameObject] readonly attribute Geolocation geolocation;
+          [SameObject, SecureContext] readonly attribute Geolocation geolocation;
         };
       </pre>
     </section>
@@ -543,7 +543,7 @@ <h2>
         `Geolocation` interface and callbacks
       </h2>
       <pre class="idl">
-        [Exposed=Window]
+        [Exposed=Window, SecureContext]
         interface Geolocation {
           undefined getCurrentPosition (
             PositionCallback successCallback,
@@ -1222,7 +1222,7 @@ <h2>
         <dfn>GeolocationPositionError</dfn> interface
       </h2>
       <pre class="idl">
-        [Exposed=Window]
+        [Exposed=Window, SecureContext]
         interface GeolocationPositionError {
           const unsigned short PERMISSION_DENIED = 1;
           const unsigned short POSITION_UNAVAILABLE = 2;