diff --git a/index.html b/index.html
index 8a8f4ce..8262516 100644
--- a/index.html
+++ b/index.html
@@ -746,6 +746,13 @@ <h2>Security</h2>
         <p><span class="rfc2119-assertion" id="common-constraints-security-3">
             A Thing MAY implement multiple security schemes.</span>
         </p>
+
+        <p><span class="rfc2119-assertion" id="common-constraints-security-auto">
+           The 
+           <a href="https://w3c.github.io/wot-thing-description/#autosecurityscheme"><code>AutoSecurityScheme</code></a>
+           MAY also be used, but only if negotiation results in a security configuration
+           consistent with one of the <a href="#common-constraints-security-1">other permitted security schemes</a>.</span>
+        </p>
         
         <p><span class="rfc2119-assertion" id="common-constraints-security-6">
           Conformant Consumers MUST support security bootstrapping for all