diff --git a/spec/index.html b/spec/index.html
index e50dc65..1c8abb0 100644
--- a/spec/index.html
+++ b/spec/index.html
@@ -2052,7 +2052,7 @@ <h2>Replacing Blank Nodes with IRIs</h2>
     unique IRI (a <dfn class="export">Skolem IRI</dfn>) for each blank node so replaced.</p>
 
   <p>This transformation produces a new graph which entails the original one
-    (see also <a data-cite="RDF12-SEMANTICS#skolemization">Skolemization</a>).
+    <span class=informative>(see also <a data-cite="RDF12-SEMANTICS#skolemization">Skolemization</a>)</span>.
     In this context it is important to note that Skolem IRIs and blank nodes are
     different in nature: while IRIs directly denote resources, blank nodes only indicate 
     the existence of a resource. By producing Skolem IRIs, we create concrete witnesses of this existence.