--- a/ttml2/spec/ttml2-changes.html	Wed Sep 04 23:25:58 2013 -0600
+++ b/ttml2/spec/ttml2-changes.html	Wed Sep 04 23:56:27 2013 -0600
@@ -69,6 +69,9 @@
 * In 8.2.1, add 'set' element to enumeration of element types to which 'style'
   attribute applies.
 
+* In 8.2.13, make use of 125% of largest applicable font size a normative
+  requirement for interpreting 'normal' value of tts:lineHeight.
+
 * In 8.2.14, add content elements to enumeration of element types to which
   tts:opacity applies.
 

--- a/ttml2/spec/ttml2.xml	Wed Sep 04 23:25:58 2013 -0600
+++ b/ttml2/spec/ttml2.xml	Wed Sep 04 23:56:27 2013 -0600
@@ -4916,7 +4916,7 @@
 </table>
 <p>If the value of this attribute is <code>normal</code>, then the
 computed value of the style property must be considered to be the same
-as 120% of the largest font size that applies to the element and its
+as 125% of the largest font size that applies to the element and its
 descendant elements in the intermediate synchronic document as determined by
 <specref ref="semantics-region-layout-step-1"/>.</p>
 <p>If specified as a <loc