diff --git a/README.md b/README.md
index 96dc33c..ee88a1b 100644
--- a/README.md
+++ b/README.md
@@ -34,9 +34,11 @@ Install for developpers
 
     git clone https://github.com/chobie/php-sundown.git php-sundown -b development
     cd php-sundown
-    # this command will fetch submodule and copy neccesally files to src dir. and compile it.
-    rake submodule compile
-    sudo rake install
+    git submodule init && git submodule update
+    phpze
+    ./configure
+    make
+    make install
     # please add following line to your php.ini
     # extension=sundown.so
 
@@ -229,6 +231,28 @@ $md = new \Sundown\Markdown(\Sundown\Render\HTML,array("autolink"=>true));
 $md->getRender()->setRenderFlags(array("filter_html"=>true));
 ````
 
+### \Sundown\Markdown::setRender(Sundown\Render\Base $render)
+
+##### *Description*
+
+set render instance.
+
+##### *Parameters*
+
+*render*: render instance 
+
+##### *Return Value*
+
+* void
+
+##### *Example*
+
+````php
+<?php
+$md = new \Sundown\Markdown(\Sundown\Render\HTML,array("autolink"=>true));
+$render2 = \Sundown\Render\HTML();
+$md->setRender($render2);
+````
 
 ### \Sundown\Render\Base
 
diff --git a/package.xml b/package.xml
index 3113819..4f4430b 100644
--- a/package.xml
+++ b/package.xml
@@ -15,10 +15,10 @@ PECL Sundown provides straight forward object oriented Markdown API and customiz
   <email>chobieeee@php.net</email>
   <active>yes</active>
  </lead>
- <date>2012-04-22</date>
+ <date>2012-05-14</date>
  <version>
-  <release>0.3.3</release>
-  <api>0.3.0</api>
+  <release>0.3.4</release>
+  <api>0.3.4</api>
  </version>
  <stability>
   <release>beta</release>
@@ -26,10 +26,13 @@ PECL Sundown provides straight forward object oriented Markdown API and customiz
  </stability>
  <license uri="http://www.php.net/license">PHP</license>
  <notes>
-bumped up 0.3.3
+bumped up 0.3.4
 
 [summary]
-  * fix #16 missing space_after_headers extension
+  * add Sundown\Render\HTML_TOC render.
+  * add Sundown\Markdown::setRender(Sundown\Render\Base $render);
+  * improve build script.
+  * add Changelog, adjust package.xml
  </notes>
  <contents>
   <dir name="/">
@@ -120,6 +123,23 @@ bumped up 0.3.3
  <providesextension>sundown</providesextension>
  <extsrcrelease/>
  <changelog>
+  <release>
+   <stability>
+    <release>beta</release>
+    <api>beta</api>
+   </stability>
+   <version>
+    <release>0.3.3</release>
+    <api>0.3.0</api>
+   </version>
+   <date>2012-04-22</date>
+   <notes>
+bumped up 0.3.3
+
+[summary]
+  * fix #16 missing space_after_headers extension
+   </notes>
+  </release>
   <release>
    <stability>
     <release>beta</release>
@@ -137,7 +157,6 @@ bumped up 0.3.2
   * use no_intra_emphasis instead of no_intraemphasis
    </notes>
   </release>
-
   <release>
    <stability>
     <release>beta</release>