diff --git a/index.html b/index.html
index 019cc628..4e095557 100644
--- a/index.html
+++ b/index.html
@@ -2602,16 +2602,16 @@ <h2>
         </h2>
         <pre class="idl">
           dictionary AddressInit {
-            DOMString country;
-            sequence&lt;DOMString&gt; addressLine;
-            DOMString region;
-            DOMString city;
-            DOMString dependentLocality;
-            DOMString postalCode;
-            DOMString sortingCode;
-            DOMString organization;
-            DOMString recipient;
-            DOMString phone;
+            DOMString country = "";
+            sequence&lt;DOMString&gt; addressLine = [];
+            DOMString region = "";
+            DOMString city = "";
+            DOMString dependentLocality = "";
+            DOMString postalCode = "";
+            DOMString sortingCode = "";
+            DOMString organization = "";
+            DOMString recipient = "";
+            DOMString phone = "";
           };
         </pre>
         <p>
@@ -2839,13 +2839,11 @@ <h2>
           </p>
         </div>
         <ol data-link-for="AddressInit">
-          <li>Let |details:AddressInit| be an <a>AddressInit</a> dictionary
-          with no members present.
+          <li>Let |details| be a newly created <a>AddressInit</a> dictionary.
           </li>
           <li>If "addressLine" is not in |redactList|, set
           |details|["<a>addressLine</a>"] to the result of splitting the
-          user-provided address line into a <a>list</a>. If none was provided,
-          set it to the empty <a>list</a>.
+          user-provided address line into a <a>list</a>.
             <aside class="note">
               How to split an address line is locale dependent and beyond the
               scope of this specification.
@@ -2853,12 +2851,10 @@ <h2>
           </li>
           <li>If "country" is not in |redactList|, set
           |details|["<a>country</a>"] to the user-provided country as an upper
-          case [[ISO3166-1]] alpha-2 code, or to the empty string if none was
-          provided.
+          case [[ISO3166-1]] alpha-2 code.
           </li>
           <li>If "phone" is not in |redactList|, set |details|["<a>phone</a>"]
-          to the user-provided phone number, or to the empty string if none was
-          provided.
+          to the user-provided phone number.
             <aside class="note" title="Privacy of phone number">
               <p>
                 To maintain users' privacy, implementers need to be mindful
@@ -2872,18 +2868,17 @@ <h2>
           <li>If "city" is not in |redactList|, set |details|["<a>city</a>"] to
           the user-provided city, or to the empty string if none was provided.
           </li>
-          <li>If "dependentLocality" is not in |redactList|, set
-          |details|["<a>dependentLocality</a>"] to the user-provided dependent
-          locality, or to the empty string if none was provided.
+          <li>If "dependentLocality" is not in |redactList|, set |
+          details|["<a>dependentLocality</a>"] to the user-provided dependent
+          locality.
           </li>
           <li>If "organization" is not in |redactList|, set
           |details|["<a>organization</a>"] to the user-provided recipient
-          organization, or to the empty string if none was provided.
+          organization.
           </li>
           <li>If "postalCode" is not in |redactList|, set
-          |details|["<a>postalCode</a>"] to the user-provided postal code, or
-          to the empty string if none was provided. Optionally, redact part of
-          |details|["<a>postalCode</a>"].
+          |details|["<a>postalCode</a>"] to the user-provided postal code.
+          Optionally, redact part of |details|["<a>postalCode</a>"].
             <div class="note" title="Privacy of Postal Codes">
               <p>
                 <a>Postal codes</a> in certain countries can be so specific as
@@ -2899,7 +2894,7 @@ <h2>
           </li>
           <li>If "recipient" is not in |redactList|, set
           |details|["<a>recipient</a>"] to the user-provided recipient of the
-          transaction, or to the empty string if none was provided.
+          transaction.
           </li>
           <li>
             <p>
@@ -2919,14 +2914,12 @@ <h2>
               shipping or billing purposes).
             </p>
             <ol>
-              <li>Set |details|["<a>region</a>"] to the user-provided region,
-              or to the empty string if none was provided.
+              <li>Set |details|["<a>region</a>"] to the user-provided region.
               </li>
             </ol>
           </li>
           <li>If "sortingCode" is not in |redactList|, set
-          |details|["<a>sortingCode</a>"] to the user-provided sorting code, or
-          to the empty string if none was provided.
+          |details|["<a>sortingCode</a>"] to the user-provided sorting code.
           </li>
           <li>[=PaymentAddress.PaymentAddress()|Internally construct a new
           `PaymentAddress`=] with |details| and return the result.