diff --git a/common.js b/common.js
index 762a5f4..ff940a2 100644
--- a/common.js
+++ b/common.js
@@ -107,6 +107,16 @@ var ccg = {
       ],
       status: "Personal View"
     },
+    "HASHLINK": {
+      title: "Cryptographic Hyperlinks",
+      date: "December 2018",
+      href: "https://tools.ietf.org/html/draft-sporny-hashlink-02",
+      authors: [
+        "Manu Sporny"
+      ],
+      status: "Internet-Draft",
+      publisher: "IETF"
+    },
     "DNS-DID": {
       title: "The Decentralized Identifier (DID) in the DNS",
       date: "February 2019",
diff --git a/index.html b/index.html
index 928c9cd..5cedb00 100644
--- a/index.html
+++ b/index.html
@@ -666,6 +666,15 @@ <h2>
         <tbody>
           <tr>
             <td>
+<code>hl</code>
+            </td>
+            <td>
+A resource hash of the DID Document to add integrity
+protection, as specified in [[HASHLINK]].
+            </td>
+          </tr>
+          <tr>
+            <td>
 <code>service</code>
             </td>
             <td>