fixed extra header

Author: khanspers

stages/met-1-second/index.html

@@ -63,7 +63,6 @@ <h4>Add and connect the conversion arrow</h4>
                 <li>Drag the plain end (start) of the interaction over a target area on the starting metabolite node (HMG-CoA).</li>
                 <li>Drag the arrow end (end) of the interaction over a target area on the ending metabolite node (mevalonic acid).</li>
 		<li>Right-click on the conversion interaction and select <b>Add anchor</b>, or select the conversion interaction and then use the keyboard shortcut <b>Ctrl+R</b> (<b>Command+R</b> on Mac), to add the anchor.</li>
-                <h4>Add the gene product that catalyzes the conversion.</li>
 		<h4>Add the enzyme</h4>
 		<li>Select <b>GeneProduct</b> from the Data Node palette in the <b>Objects</b> tab.</li>
                 <li>Click on the canvas to place the node.</li>