diff --git a/index.bs b/index.bs
index bcd25ceb2..a763f0b4e 100644
--- a/index.bs
+++ b/index.bs
@@ -3714,15 +3714,17 @@ Note: The {{CollectedClientData}} may be extended in the future. Therefore it's
     ::  This OPTIONAL member contains the inverse of the `sameOriginWithAncestors` argument value
         that was passed into the [=internal method=].
 
-    :   \[RESERVED] <dfn dfn>tokenBinding</dfn>
+        <!-- Setting explicit dfn ID (this becomes the fragment part of the anchor URL) for backwards compatibility;
+             without this Bikeshed generates the ID "collectedclientdata-tokenbinding". -->
+    :   \[RESERVED] <dfn dfn id="dom-collectedclientdata-tokenbinding">tokenBinding</dfn>
     ::  This OPTIONAL member contains information about the state of the [=Token Binding=] protocol [[!TokenBinding]] used when communicating
         with the [=[RP]=]. Its absence indicates that the client doesn't support token binding
 
-        Note: While [=Token Binding=] was present in Level 1 and Level 2 of WebAuthn, its use is not expected in Level 3. The {{CollectedClientData/tokenBinding}} field is reserved so that it will not be reused for a different purpose.
+        Note: While [=Token Binding=] was present in Level 1 and Level 2 of WebAuthn, its use is not expected in Level 3. The [=CollectedClientData/tokenBinding=] field is reserved so that it will not be reused for a different purpose.
 
         <div dfn-type="dict-member" dfn-for="TokenBinding">
             :   <dfn>status</dfn>
-            ::  This member SHOULD be a member of {{TokenBindingStatus}} but [=client platforms=] MUST ignore unknown values, treating an unknown value as if the {{CollectedClientData/tokenBinding}} [=map/exist|member does not exist=]. When known, this member is one of the following:
+            ::  This member SHOULD be a member of {{TokenBindingStatus}} but [=client platforms=] MUST ignore unknown values, treating an unknown value as if the [=CollectedClientData/tokenBinding=] [=map/exist|member does not exist=]. When known, this member is one of the following:
 
                 <div dfn-type="enum-value" dfn-for="TokenBindingStatus">
                     :   <dfn>supported</dfn>