--- a/rdf-turtle/n-prime-bnf.html	Sun Aug 11 16:45:34 2013 -0700
+++ b/rdf-turtle/n-prime-bnf.html	Sun Aug 11 16:50:24 2013 -0700
@@ -36,7 +36,7 @@
     <td>::=</td>
     <td><a href='#grammar-production-STRING_LITERAL_QUOTE'>STRING_LITERAL_QUOTE</a> ('<code class='grammar-literal'>^^</code>' <a href='#grammar-production-IRIREF'>IRIREF</a> <code>| </code> '<code class='grammar-literal'>@</code>' <a href='#grammar-production-LANG'>LANG</a>)?</td>
 </tr>
-<tr><td colspan="5"><h4 id="terminals">Productions for terminals</h4></td></tr>
+<tr><td colspan="4"><h4 id="terminals">Productions for terminals</h4></td></tr>
             <tr id="grammar-production-LANGTAG" data-grammar-original="[144s] LANGTAG          ::= &quot;@&quot; [a-zA-Z]+ ( &quot;-&quot; [a-zA-Z0-9]+ )*" data-grammar-expression="(&#x27;,&#x27;, [(&quot;&#x27;&quot;, &#x27;@&#x27;), (&#x27;+&#x27;, (&#x27;[&#x27;, &#x27;a-zA-Z&#x27;)), (&#x27;*&#x27;, (&#x27;,&#x27;, [(&quot;&#x27;&quot;, &#x27;-&#x27;), (&#x27;+&#x27;, (&#x27;[&#x27;, &#x27;a-zA-Z0-9&#x27;))]))])" class='grammar-token'>
     <td>[144s]</td>
     <td><code>LANGTAG</code></td>