diff --git a/index.html b/index.html
index 487d85e1..66ce48d8 100644
--- a/index.html
+++ b/index.html
@@ -2249,8 +2249,8 @@ <h3>Errors</h3>
         <ul>
           <li>
 The `type` value of the error object MUST be a URL that starts with the value
-`https://www.w3.org/ns/security/data-integrity#` and ends with the value in the
-section listed below.
+`https://w3id.org/security#` and ends with the value in the section listed
+below.
           </li>
           <li>
 The `code` value MUST be the integer code described in the table below