--- a/rdf-primer/index.html	Wed Nov 20 15:00:23 2013 +0100
+++ b/rdf-primer/index.html	Wed Nov 20 15:01:59 2013 +0100
@@ -681,11 +681,15 @@
 string"</code> is equivalent to <code>"This is a
 string"^^xsd:string</code>. </p>
 
-<p>In case of language-tagged literals the tag
+<p>In case of language-tagged strings the tag
 appears directly after the string, separated by a <code>@</code>
 symbol, e.g. <code>"Leonardo da Vinci"@it</code>. The
-datatype of language-tagged literals is not specifed explictly
-in Turtle.</p>
+datatype of language-tagged strings is not specifed explictly
+in Turtle. </p>
+
+<p class="note">For technical reasons the datatype of language-tagged
+strings is not <code>xsd:string</code> but
+<code>rdf:langString</code>).</p>
 
 <p>The above is by no means a full account of the Turtle syntax. For
 more details about the syntax of Turtle the reader is referred to the