diff --git a/index.html b/index.html
index 0a1d968..a92e7f6 100644
--- a/index.html
+++ b/index.html
@@ -3059,7 +3059,7 @@ <h3>Unlinkability</h3>
 payload is trustworthy for a given interaction. This characteristic is called
 <dfn class="lint-ignore">unlinkability</dfn> which ensures that no correlatable
 data are used in a digitally-signed payload while still providing some level of
-trust, the sufficiency of which must be determined by each verifier.
+trust, the sufficiency of which has to be determined by each verifier.
         </p>
 
         <p>