--- a/rdf-primer/index.html	Wed Nov 13 13:13:33 2013 +0100
+++ b/rdf-primer/index.html	Wed Nov 13 14:50:14 2013 +0100
@@ -580,7 +580,7 @@
   of synonyms, with a range of semantic interrelations. W3C make an
   <a href="http://www.w3.org/2006/03/wn/wn20/">RDF version</a>
   available of WordNet 2.0, which was one 
-  of the first elements of the <a href="http://linkeddata.org/"Linked
+  of the first elements of the <a href="http://linkeddata.org/">Linked
   Data Cloud</a>.</dd>
 
   <dt><a href="http://www.w3.org/2004/02/skos/">SKOS</a></dt>
@@ -754,7 +754,7 @@
 
     <p>This RDF dataset contains two named graphs. Lines 8 and 16 list
     the names of these two graphs. The triples in the named graph are
-    placed in between matching curly braces (lines 9 & 15, 18 &
+    placed in between matching curly braces (lines 9 &amp; 15, 18 &amp;
     28).<p>
 
     <p>The syntax of the triples and of the directives at the top conforms to
@@ -774,11 +774,17 @@
     for RDF data, namely: 
     <dl>
       <dt>RDFa</dt>
-      <dd>RDFa [[RDFA-PRIMER]] can be used to embed RDF data within
-      HTML documents. @@ extend, <a href="#rdfa-example">example</a></dd>
+      <dd>RDFa [[RDFA-PRIMER]] (<a href="#subsection-rdfa">example</a>) 
+      can be used to embed RDF data within
+      HTML documents. This enables for example search engines to aggregate
+      this data when crawling the web and use it to enrich search results, e.g.
+      <a href="http://schema.org">schema.org</a> 
+      and <a href="https://support.google.com/webmasters/answer/99170?hl=en">Rich Snippets</a>.
+      </dd>
 
       <dt>JSON-LD</dt>
-      <dd>JSON-LD [[JSON-LD]] provides a JSON syntax for RDF graphs and datasets.
+      <dd>JSON-LD [[JSON-LD]] (<a href="#subsection-jsonld">example</a>) 
+      provides a JSON syntax for RDF graphs and datasets.
       JSON-LD can be used to transform JSON documents to RDF with
       minimal changes, therefore bringing the benefits of RDF to the
       JSON world. These benefits include universal identifiers for
@@ -786,29 +792,30 @@
       an object described in another JSON document elsewhere on the
       Web, as well as datatype and language handling. JSON-LD
       [[JSON-LD]] also provides a way to serialize RDF datasets 
-      through the use of the <code>@graph</code> keyword.</dd>
+      through the use of the <code>@graph</code> keyword. </dd>
 
       <dt>N-Triples</dt>
-      <dd>N-Triples [[N-TRIPLES]]
+      <dd>N-Triples [[N-TRIPLES]] ( <a href="#subsection-ntriples">example</a>)
       provides a simple line-based, plain text way for serializing RDF
       graphs. Each line represents 
       an RDF triple. Its subject, predicate and object are separated
       by white space. N-Triples is often used for RDF examples,
       exchanging large RDF datasets, and processing large RDF graphs 
-      with line-oriented text processing tools.</dd>
+      with line-oriented text processing tools. </dd>
 
       <dt>N-Quads</dt>
-      <dd>N-Quads [[N-QUADS]] is
+      <dd>N-Quads [[N-QUADS]] (<a href="#subsection-nquads">example</a>) is
       a simple extension to N-Triples enabling the exchange of RDF
       datasets. N-Quads adds a fourth 
       element to each line, capturing the graph IRI of the triple
       described on that line. </dd>
 
       <dt>RDF/XML</dt>
-      <dd>RDF/XML [[RDF-SYNTAX-GRAMMAR]] provides an XML syntax for RDF
+      <dd>RDF/XML [[RDF-SYNTAX-GRAMMAR]] (<a href="#subsection-rdf-xml">example</a>)
+      provides an XML syntax for RDF
       graphs. RDF/XML was the only normative syntax for RDF before the
       RDF 1.1 set of recommendations introduced multiple 
-      syntaxes for RDF graphs.</dd>
+      syntaxes for RDF graphs. </dd>
    </dl>
 
    <p>For more information about these syntaxes consult the references.</p>