uncomment bootstrap stuff and long-term added to model

templates/index.html

@@ -194,7 +194,7 @@ Density (g/cm<sup>3</sup>): <input name="density" id="density" step="any" value=
       </div>
       <div class="modal-body">
         <p><em>Exposed surface area</em> - Enter the patient contacting surface area of the color additive containing component being evaluated in square centimeters.  This includes both direct and indirect patient contact.</p>
-        <p><em>Exposure type</em> - Select the appropriate exposure category: > 30 days = permanent, > 24 hours - 30 days = prolonged, &#8804; 24 hours = limited.  For limited exposures (&#8804; 24 hours), please enter the maximum exposure time in hours.</p>
+        <p><em>Exposure type</em> - Select the appropriate exposure category: > 30 days = long-term, > 24 hours - 30 days = prolonged, &#8804; 24 hours = limited.  For limited exposures (&#8804; 24 hours), please enter the maximum exposure time in hours.</p>
       </div>
       <div class="modal-footer">
         <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>