--- a/rdf-spaces/index.html	Mon May 14 17:30:40 2012 -0400
+++ b/rdf-spaces/index.html	Mon May 14 17:38:59 2012 -0400
@@ -379,16 +379,20 @@
     Time</em> in bitemporal databases.  After Division 5's move, the
     "old" phone numbers are not just the old state of the database;
     they reflect the old state of the world.  It is possible that some
-    time after the move an error in the pre-move data might 
-    need to be corrected, giving it a new transaction time, even
-    though its valid time range has already ended.</p>
+    time after the move, an error in the pre-move data might need to
+    be corrected.  This would require a new transaction time, even
+    though the valid-time has already ended.</p>
 
-    <p>Use case sighting: <a
-    href="http://www.jenitennison.com/blog/node/101">Temporal Scope
-    for RDF Triples</a>, Jeni Tennison's report of attempting to solve
-    this problem in UK Government data.</p>
-
-    <p>Use case sighting: <a href="http://lists.w3.org/Archives/Public/public-rdf-wg/2012May/0099.html">Vocab terms for owner, validFrom and validUntil</a>, Manu Sporny's reports PaySwarm wants to record ownership information for particular time ranges.</p>
+    <p>Use case sightings:</p>
+    <ul>
+      <li><a href="http://www.jenitennison.com/blog/node/101">Temporal Scope for RDF Triples</a>, Jeni Tennison's report of attempting to solve this problem in UK Government data.
+      </li>
+      <li><a
+    href="http://lists.w3.org/Archives/Public/public-rdf-wg/2012May/0099.html">Vocab
+    terms for owner, validFrom and validUntil</a>, Manu Sporny
+    reports PaySwarm wants to record ownership information for
+    particular time ranges.</li>
+    </ul>
 
     <p>For a discussion of how this use case could be addressed, see
     <a href="#example-validtime" class="sectionRef"></a></p>
@@ -1352,7 +1356,7 @@
 <section class="appendix informative" id="changes">
   <h2>Changes</h2>
   <ul>
-    <li>2012-05-14: Fill in the use cases, removing some of the text that was there and which can go into the example.  Redid the trig grammar, adding spaceName, changing formatting</li>
+    <li>2012-05-14: Fill in the use cases, removing some of the text that was there and which can go into the example.  Redid the trig grammar, adding spaceName, changing formatting.  Added valid-time example.</li>
     <li>2012-05-13: Fill in the example's skeleton, add a few issues/ideas on trig</li>
     <li>2012-05-11: Rewriting and reorganizing Concepts; some more work on Usecases and Example; removed the Detailed Example since it needs to be so re-written; renamed 'reflection' to 'folding'; reworked the Semanics</li>
     <li>2012-05-10: Wrote a short intro.  Started writing the Use Cases section for real.   Added grammar for N-Quads and Trig.  Did a first draft of the semantics.</li>