diff --git a/spec/index.html b/spec/index.html
index d67e99f..d578d4b 100644
--- a/spec/index.html
+++ b/spec/index.html
@@ -1907,7 +1907,7 @@ <h6 class="defcap">RDF Collection Vocabulary</h6>
           <code><br>
           <br>
           _:c1 rdf:first aaa .<br>
-          _:c1 rdf:rest _:c2 .</code>
+          _:c1 rdf:rest  _:c2 .</code>
         </p>
         <p>where the final item is indicated by the use of <code>rdf:nil</code> as the
           value of the property <code>rdf:rest</code>. In a familiar convention, <code>rdf:nil</code>