diff --git a/index.html b/index.html
index 6de3c9b..b00b600 100644
--- a/index.html
+++ b/index.html
@@ -517,7 +517,7 @@ <h3>Verify Credential</h3>
       <dl class="dl-horizontal">
         <dt>Requirement</dt>
         <dd>
-          It MUST be possible for a <a>verifier</a> to verify that the
+          It is expected to be possible for a <a>verifier</a> to verify that the
           credential is an authentic statement of an <a>issuer's</a>
           <a>claims</a> about the
           <a>subject</a>. Verifiers MUST have the capability to