diff --git a/docs/index.html b/docs/index.html
index 215b5d2..d4df3e0 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -19,7 +19,7 @@ Python PDF parser and analyzer
 
 <div align=right class=lastmod>
 <!-- hhmts start -->
-Last Modified: Tue Mar 23 10:29:24 UTC 2010
+Last Modified: Tue Mar 23 10:35:15 UTC 2010
 <!-- hhmts end -->
 </div>
 
@@ -30,6 +30,7 @@ Last Modified: Tue Mar 23 10:29:24 UTC 2010
 &nbsp; <small>(<a href="#cmap">for CJK languages</a>)</small>
 <li> <a href="#usage">How to Use</a>
 &nbsp; <small>(<a href="#pdf2txt">pdf2txt.py</a>, <a href="#dumppdf">dumppdf.py</a>)</small>
+<li> <a href="#techdocs">Technical Documents</a>
 <li> <a href="#todos">TODOs</a>
 <li> <a href="#changes">Changes</a>
 <li> <a href="#related">Related Projects</a>
@@ -83,11 +84,12 @@ http://code.google.com/p/pdfminerr/source/browse/trunk/pdfminer
 </a>
 
 <P>
-<strong>Online Demonstration:</strong> (pdf -&gt; html conversion webapp)<br>
+<strong>Online Demo:</strong> (pdf -&gt; html conversion webapp)<br>
 <a href="http://pdf2html.tabesugi.net:8080/">
 http://pdf2html.tabesugi.net:8080/
 </a>
 
+
 <a name="install"></a>
 <hr noshade>
 <h2>Install</h2>
@@ -329,6 +331,18 @@ no stream header is displayed for the ease of saving it to a file.
 <dd> Increases the debug level.
 </dl>
 
+<a name="techdocs"></a>
+<hr noshade>
+<h2>Technical Documents</h2>
+<p>
+<ul>
+<li> Video:
+"How to Extract Text Contents from PDF by Hand"
+<a href="http://www.youtube.com/watch?v=k34wRxaxA_c">(part 1)</a>
+<a href="http://www.youtube.com/watch?v=_A1M4OdNsiQ">(part 2)</a>
+<a href="http://www.youtube.com/watch?v=sfV_7cWPgZE">(part 3)</a>
+</ul>
+
 <a name="todos"></a>
 <hr noshade>
 <h2>TODOs</h2>