diff --git a/index.html b/index.html
index 0323287..3501e84 100644
--- a/index.html
+++ b/index.html
@@ -181,6 +181,8 @@ <h2>
           "!payment-request#paymentdetailsinit-dictionary">paymentDetailsInit</dfn>,
           <dfn data-cite=
           "!payment-request#paymentmethoddata-dictionary">PaymentMethodData</dfn>,
+          <dfn data-cite=
+          "!payment-request#paymentitem-dictionary">PaymentItem</dfn>,
           <dfn data-cite="!payment-request#id-attribute">ID</dfn>,
           <dfn data-cite="!payment-request#show-method">show()</dfn>, and
           <dfn data-cite=