--- a/model/prov-dm.html	Wed Mar 28 10:27:55 2012 +0100
+++ b/model/prov-dm.html	Wed Mar 28 11:36:13 2012 +0100
@@ -325,7 +325,7 @@
 <p>
   PROV-DM is a domain-agnostic model, but with clear extensibility points allowing further domain-specific and
 application-specific extensions to be defined.
-The PROV data model is structued according to six components covering various aspects of provenance:
+The PROV data model is structured according to six components covering various aspects of provenance:</p>
 <ol>
 <li> component 1: entities and activities, and the time at which they were created, used, or ended;
 <li> component 2: agents bearing responsibility for entities that were generated and actities that happened;
@@ -334,7 +334,7 @@
 <li> component 5: collections of entities, whose provenance can itself be tracked;
 <li> component 6: a simple annotation mechanism.
 </ol>
-</p>
+
 
 <p>This specification intentionally presents the key concepts of the PROV Data Model, without drilling down into all its subtleties.  Using these key concepts, it becomes possible to write useful provenance assertions very quickly, and publish or embed them along side the data they relate to. </p>
 
@@ -600,7 +600,7 @@
 <span class="glossary-ref" ref="glossary-activityAssociation"  withspan="true"></span>
 </p>
 
-<div class="anexample" id="association-example">
+<div class="anexample" id="association-example2">
 <p>Examples of association between an activity and an agent are:
 <ul>
 <li>creation of a web page under the guidance of a designer;</li>
@@ -732,8 +732,7 @@
 </section>
 
 </section>
-</section>
-<!-- </section>  -->
+
 
 <section id="prov-dm-example"> 
 <h2>Illustration of PROV-DM by an Example</h2>
@@ -1340,9 +1339,9 @@
 
 
 
-<p><div class="attributes" id="attributes-startByActivity">
+<div class="attributes" id="attributes-startByActivity">
 A <dfn title="wasStartedByActivity">start by activity</dfn><span class="withPn">, written as 
-<span class="pnExpression">wasStartedByActivity(id, a2, a1, attrs)</span> in PROV-N,</span> contains: </p>
+<span class="pnExpression">wasStartedByActivity(id, a2, a1, attrs)</span> in PROV-N,</span> contains:
 <ul>
 <li><span class='attribute' id="startByActivity.id">id</span>:  an OPTIONAL identifier of the relation;</li> 
 <li><span class='attribute' id="startByActivity.started">started</span>: the identifier (<span class="name">a2</span>) of  the started activity;