diff --git a/index.html b/index.html
index d6dda5e..facbaf0 100644
--- a/index.html
+++ b/index.html
@@ -663,7 +663,7 @@ <h2>
         <p>
           The <a>user agent</a> MAY require a <a>document</a> and its
           associated [=Document/browsing context=] to meet one or more
-          <dfn>pre-lock conditions</dfn> in order to be able to lock the screen
+          <dfn>pre-lock conditions</dfn> in order to lock the screen
           orientation. For example, a <a>user agent</a> might require a
           <a>document</a>'s <a>top-level browsing context</a> to be fullscreen
           (see <a href='#interaction-with-fullscreen-api'></a>) in order to