--- a/src/source/dev_guide/overring-feature.rst	Fri Dec 28 11:41:26 2018 +0100
+++ b/src/source/dev_guide/overring-feature.rst	Fri Dec 28 14:13:33 2018 +0100
@@ -1,5 +1,25 @@
 .. _overriding:
 
-
 Overriding PyAMS features
 =========================
+
+
+To Overriding PyAMS feature you need to retrieve sources and install the source code packages
+
+1) Clone the package repository
+
+.. code-block::
+
+		hg clone http://hg.ztfy.org/pyams/<pyams_packages>
+
+2) Run Bootstrap script provided
+
+.. code-block::
+
+		./bootstrap.py
+
+3) Execute buildout
+
+.. code-block::
+
+	./bin/buildout