--- a/ttml10-sdp-us/Overview.html	Tue Nov 13 09:49:48 2012 -0700
+++ b/ttml10-sdp-us/Overview.html	Tue Nov 13 10:27:30 2012 -0700
@@ -1462,10 +1462,9 @@
 <section class="Core_Constraints" id="constraints-21">
 <h4><span class="secno">8.1.2 </span>Constraints</h4>
 <p>Presentation processors <em class="rfc2119" title="must">must</em> support the capability to present documents where the following constraints apply:</p>
-<div><div class="numbered constraint" title="R0039">Active region(s) <em class="rfc2119" title="must not">must not</em> overlap.</div></div>
-<div><div class="numbered constraint" title="R0040">No more than 4 region(s) <em class="rfc2119" title="must">must</em> be active concurrently.</div></div>
-<div><div class="numbered constraint" title="R0041">No more than four lines of text <em class="rfc2119" title="must">must</em> be selected into all active regions at any given time.</div></div>
-<div><div class="issue"><div class="issue-title"><span>Issue 3</span></div><div class="">Constraint R0041 is at risk.</div></div></div>
+<div><div class="numbered constraint" title="R0039">Active regions <em class="rfc2119" title="must not">must not</em> overlap.</div></div>
+<div><div class="numbered constraint" title="R0040">More than four regions <em class="rfc2119" title="must not">must not</em> be active in any synchronic intermediate document.</div></div>
+<div><div class="numbered constraint" title="R0041">More than four lines of text <em class="rfc2119" title="must not">must not</em> be selected into all active regions in any synchronic intermediate document.</div></div>
 </section>
 </section>
 <section id="Constrained_TTML_Feature_lineBreak-uax14">
@@ -1699,7 +1698,7 @@
 </pre></section>
 <section id="error_handling">
 <!--OddPage--><h2><span class="secno">12. </span>Error handling</h2>
-<div class="issue"><div class="issue-title"><span>Issue 4</span></div><p class="">This section needs to be rewritten to be better organized, more specific (define what is meant by 'understood', 'known', 'unknown'), grammatical, and use correct terminology (e.g., well-formed vs valid).</p></div>
+<div class="issue"><div class="issue-title"><span>Issue 3</span></div><p class="">This section needs to be rewritten to be better organized, more specific (define what is meant by 'understood', 'known', 'unknown'), grammatical, and use correct terminology (e.g., well-formed vs valid).</p></div>
 <p>A presentation processor may be presented with documents that contain features that are not understood. The table that follows outlines the behavior expected under specific conditions. The pre-requisite if the caption file is syntactically valid XML.</p>
 <table style="width: 100%;">
 <tbody><tr>

--- a/ttml10-sdp-us/Overview.src.html	Tue Nov 13 09:49:48 2012 -0700
+++ b/ttml10-sdp-us/Overview.src.html	Tue Nov 13 10:27:30 2012 -0700
@@ -1277,10 +1277,9 @@
 <section class='Core_Constraints'>
 <h4>Constraints</h4>
 <p>Presentation processors MUST support the capability to present documents where the following constraints apply:</p>
-<div data-transform='constraint'>Active region(s) MUST NOT overlap.</div>
-<div data-transform='constraint'>No more than 4 region(s) MUST be active concurrently.</div>
-<div data-transform='constraint'>No more than four lines of text MUST be selected into all active regions at any given time.</div>
-<div data-transform='atrisk'></div>
+<div data-transform='constraint'>Active regions MUST NOT overlap.</div>
+<div data-transform='constraint'>More than four regions MUST NOT be active in any synchronic intermediate document.</div>
+<div data-transform='constraint'>More than four lines of text MUST NOT be selected into all active regions in any synchronic intermediate document.</div>
 </section>
 </section>
 <section id='Constrained_TTML_Feature_lineBreak-uax14'>