--- a/rdf-primer/index.html	Wed Feb 19 23:21:51 2014 +0100
+++ b/rdf-primer/index.html	Wed Feb 19 23:29:08 2014 +0100
@@ -108,7 +108,7 @@
     </script>
     <style type="text/css">
       figure { text-align: center; }
-      img.graph { width: 60%; }
+      img.graph { width: 66%; }
       table td, table th { border: 1px solid #ddd; padding: 0.2em 0.5em; }
       .linenum {color: grey}
     </style>
@@ -591,7 +591,7 @@
 <p>With the help of RDF Schema one can build a model of RDF data. A
 simple informal example:</p>
 
-  <pre class="example" title="RDF Schema triples" id="rdfs-example">
+  <pre class="example" title="RDF Schema triples (informal)" id="rdfs-example">
   &lt;Person&gt; &lt;<strong>type</strong>&gt; &lt;Class&gt;
   &lt;is a friend of&gt; &lt;<strong>type</strong>&gt; &lt;Property&gt;
   &lt;is a friend of&gt; &lt;<strong>domain</strong>&gt; &lt;Person&gt;
@@ -817,19 +817,20 @@
 does not require the use of the syntax like <code>_:x</code>: </p> 
 
 <pre class="example" title="Blank nodes (alternative notation)">
-    @prefix foaf: <http://xmlns.com/foaf/0.1/> .
+@prefix foaf: &lt;http://xmlns.com/foaf/0.1/&gt; .
 
-   # Some resource (blank node) is interested in some other resource
-   # entitled "Mona Lisa" and created by Leonardo da Vinci.
+# Some resource (blank node) is interested in some other resource
+# entitled "Mona Lisa" and created by Leonardo da Vinci.
 
-   [] foaf:topic_interest [
+[] foaf:topic_interest [
           dcterms:title "Mona Lisa" ;
           dcterms:creator &lt;http://dbpedia.org/resource/Leonardo_da_Vinci&gt; ] .
 </pre>
 
 <p>Square brackets represent a blank node. Predicate-object pairs within
 the square brackets are interpreted as triples with the blank node as
-subject.
+subject. Comments are placed The lines starting with '#' represent
+comments. </p>
 
 <p>For more details about the syntax of Turtle please consult the Turtle specification [[TURTLE]].</p>
 
@@ -1330,7 +1331,8 @@
     Champin, Bob DuCharme, Sandro Hawke, Patrick
     Hayes, Ivan Herman, Kingsley Idehen, Antoine Isaac, Markus Lanthaler, and David Wood. </p>
  
-  <p>The introduction contains a number of sentences from the
+
+<p>The introduction contains a number of sentences from the
    2004 Primer [[RDF-PRIMER]]. For the rest the RDF 1.1 Primer is a completely
    new document.</p>