diff --git a/index.html b/index.html
index d2e816b5..9b52b8ea 100644
--- a/index.html
+++ b/index.html
@@ -1595,6 +1595,12 @@ <h3>
       <section>
         <h3>Also Known As</h3>
 
+        <p class="issue atrisk" data-number="584">
+This property is at risk of being removed from DID Core in favour of putting
+it in the DID Specification Registries [[?DID-SPEC-REGISTRIES]] pending
+feedback from implementers and reviewers.
+        </p>
+
         <p>
 A <a>DID subject</a> can have multiple identifiers for different purposes, or
 at different times. The assertion that two or more <a>DIDs</a> (or other types