--- a/608toVTT/608toVTT.html	Fri Nov 02 11:12:47 2012 +1100
+++ b/608toVTT/608toVTT.html	Fri Nov 02 11:17:54 2012 +1100
@@ -333,21 +333,24 @@
               <td>80%</td>
             </tr>
           </tbody>
-        </table>
+        </table>q
 
         <h3>(2) Tab Offset</h3>
         <p>
-          Tab Offset commands provide relative positioning based on the current cursor position and move the cursor 1, 2, or 3 columns to the right.
+          CE-608 Tab Offset commands provide relative positioning based on the current cursor position and move the cursor 1, 2, or 3 columns to the right.
         </p>
         
         <p>
-          When used at the beginning of a line, they will be mapped to WebVTT text position cue settings. Other uses of tab offsets will either be mapped to independent cues or ignored based on whether they influence the rendering.
+          When used at the beginning of a line, they will be mapped to a WebVTT position cue settings. Other uses of tab offsets will either be mapped to independent cues or ignored based on whether they influence the rendering.
         </p>
 
         <p>
-          The Tab Offset maps to an absolute text position cue setting in WebVTT CEA-608, given as<br>
-          position:x% (percent of video width)
+          The Tab Offset maps to an absolute text position cue setting in WebVTT CEA-608:<br>
+          position:x%<br>
+          Multiply the Tab Offset value with 2.5 and add the resulting value to an existing position cue setting value of a cue to achieve the correct offset.
         </p>
+        <p>
+          For example, for an existing cue position setting of 20% (column 5), a Tab Offset of 3 will create a cue position setting of 27.5%.
       </section>
 
       <section>