diff --git a/RATIONALE b/RATIONALE
index 978cca6..b1720b2 100644
--- a/RATIONALE
+++ b/RATIONALE
@@ -5,9 +5,10 @@ common/		scripts, configuration and miscelaneous files for the project
 experiments/	experiments and results
 extern/		embedded dependencies
 HMS/		High-level Management System folder
-HMS/control/	modules for the concept learning part (from Joachim's repository)
+HMS/control/ and 
+HMS/cogmod/	modules for concept learning from Joachim's repository
 RAS/		Robotic Animation System folder
-RAS/eyes/	eye animation engine (currently a place holder since eye animation is handled by face)
+RAS/eyes/	eye animation engine (place holder since eyes handled by face)
 RAS/face/	facial animation engine(s)
 RAS/spine/	includes thorax, neck and head movements
 RAS/vision/	image sensor and processing classes
diff --git a/README b/README
index a4aef89..a9fc519 100644
--- a/README
+++ b/README
@@ -29,11 +29,11 @@ Requirements (In this order):
  http://newcenturycomputers.net/
  projects/download.cgi/Readline-1.7.win32-py2.6.exe)
 
-If you wish to use the vision module, change to the extern folder, then get
-pyvision svn at https://pyvision.svn.sourceforge.net/svnroot/pyvision/trunk .
-This requires:
-- PIL for Python	(http://www.pythonware.com/products/pil/)
-- SciPy for Python	(http://www.scipy.org/Download)
+If you wish to use the vision module, you need pyvision.
+To set this up properly, change to the extern folder, then get pyvision svn:
+svn co https://pyvision.svn.sourceforge.net/svnroot/pyvision/trunk pyvision-svn
+
+The symlink extern/pyvision is already provided and points to pyvision sources.
 
 
 Running the software:
diff --git a/extern/pyvision b/extern/pyvision
new file mode 120000
index 0000000..59273fe
--- /dev/null
+++ b/extern/pyvision
@@ -0,0 +1 @@
+pyvision-svn/src/pyvision/
\ No newline at end of file