Changed link to a newer and better paper on social constructionism.

diff --git a/doc/intro.html b/doc/intro.html
index 9399d9f5f07d4777097c7f65684071830954dbf6..d349f590124ce095e675ed05684d839beea12718 100755 (executable)
--- a/doc/intro.html
+++ b/doc/intro.html
@@ -9,7 +9,7 @@
 <H2>Introduction</H2>\r
  \r
 <P>Moodle is a software package for producing internet-based courses and web sites. \r
-  It's an ongoing development project designed to support a <A HREF="http://dougiamas.com/writing/constructivism.html">social constructionist</A> framework of education. </P>\r
+  It's an ongoing development project designed to support a <A HREF="http://dougiamas.com/writing/herdsa2002/">social constructionist</A> framework of education. </P>\r
 \r
 <P>Moodle is provided freely as <A HREF="http://www.opensource.org/docs/definition_plain.html"> \r
   Open Source</A> software (under the <A HREF="http://www.gnu.org/copyleft/gpl.html"> \r