diff --git a/index.html b/index.html
index bbf7c928..ab822e96 100644
--- a/index.html
+++ b/index.html
@@ -355,23 +355,10 @@ <h2>
           <li>If a <code>paymentRequestID</code> was not provided during
           construction, generate a <code>paymentRequestID</code>.
           </li>
-          <li>If the <a>current settings object</a> has a <a>responsible
-          browsing context</a> that is not a <a>top-level browsing context</a>,
-          then
-            <ol>
-              <li>Let <var>context</var> be the <a>nested browsing context</a>.
-              </li>
-              <li>Let <var>origin</var> be the origin of the <a>active
-              document</a> of <var>context</var>.
-              </li>
-              <li>If any <a>ancestor browsing context</a> of <var>context</var>
-              has an <a>active document</a> with an origin that is not the same
-              as <var>origin</var> and <var>context</var>'s <a>active
-              document</a> is not <a>allowed to use</a> the feature indicated
-              by attribute name <a><code>allowpaymentrequest</code></a>, then
-              <a>throw</a> a <a>SecurityError</a>.
-              </li>
-            </ol>
+          <li>If the <a>current settings object</a>'s
+          <a data-cite="!html5#responsible-document">responsible document</a> is not <a>allowed to use</a> the feature
+          indicated by attribute name <a>allowpaymentrequest</a>,
+          then <a>throw</a> a <a>SecurityError</a>.
           </li>
           <li>Let <var>parsedMethodData</var> be an empty list.
           </li>
@@ -2337,21 +2324,6 @@ <h2>
             <li>
               <dfn>node document</dfn>
             </li>
-            <li>
-              <dfn>browsing context</dfn>
-            </li>
-            <li>
-              <dfn>browsing context container</dfn>
-            </li>
-            <li>
-              <dfn>nested browsing context</dfn>
-            </li>
-            <li>
-              <dfn>responsible browsing context</dfn>
-            </li>
-            <li>
-              <dfn>ancestor browsing context</dfn>
-            </li>
             <li>
               <dfn>top-level browsing context</dfn>
             </li>
@@ -2361,9 +2333,6 @@ <h2>
             <li>
               <dfn>allowed to use</dfn>
             </li>
-            <li>
-              <dfn>active document</dfn>
-            </li>
             <li>
               <dfn>in parallel</dfn>
             </li>