--- a/Orb/INSTALL.txt	Thu Jan 21 17:29:01 2010 +0000
+++ b/Orb/INSTALL.txt	Thu Mar 18 18:26:18 2010 +0000
@@ -12,11 +12,9 @@
 Installation
 ============
 
-    * Install a PDK or SDK for development on the Symbian Platform. (i.e Symbian Foundation SDK)
-    * Install RVCT 2.2 onwards or another Symbian Build System compatible compiler.
-    * Use the Symbian Build System (SBSv2) installer to install Symbian Build System or extract it to a directory and add it to your system path and set the environment variable SBS_HOME to this directory.
-    * Orb requires Apache Ant to convert the Doxygen cxx output to dita reference and DITA dtds to verify the xml. 
-      Install ant to SBS_HOME\ant.
+    * Install a PDK or SDK for development on the Symbian Platform. (i.e Symbian Foundation SDK from here: http://developer.symbian.org/main/tools_and_kits/index.php)
+    * Install Raptor. Currently versions 2.9.1 to 2.10.0 are supported. Follow the instructions here: http://developer.symbian.org/wiki/index.php/Raptor_Build_System 
+	  Make sure the installer sets the environment variable %SBS_HOME% to this directory.
     * Extract Orb to your Symbian Build System application directory (SBS_HOME)
 
 Running Orb