diff --git a/doc/tuto_GP_regression.rst b/doc/tuto_GP_regression.rst
index 417bb1bd..08931834 100644
--- a/doc/tuto_GP_regression.rst
+++ b/doc/tuto_GP_regression.rst
@@ -1,14 +1,12 @@
-
-.. ipython:: python
-
-    print "Hello world"
-    X = [[1, 10], [1, 20], [1, -2]]
-
-
 *************************************
 Gaussian process regression tutorial
 *************************************
 
+#.. ipython:: python
+#
+#    print "Hello world"
+#    X = [[1, 10], [1, 20], [1, -2]]
+
 We will see in this tutorial the basics for building a 1 dimensional and a 2 dimensional Gaussian process regression model, also known as a kriging model.
 
 We first import the libraries we will need: ::