diff --git a/doc/howtos/backend/exercise-wizard-multi b/doc/howtos/backend/exercise-wizard-multi
index dc99dba2e31..4a9e2ae7415 100644
--- a/doc/howtos/backend/exercise-wizard-multi
+++ b/doc/howtos/backend/exercise-wizard-multi
@@ -2,7 +2,7 @@ Index: addons/openacademy/views/openacademy.xml
 ===================================================================
 --- addons.orig/openacademy/views/openacademy.xml	2014-08-28 14:34:28.583004473 +0200
 +++ addons/openacademy/views/openacademy.xml	2014-08-28 14:34:28.579004473 +0200
-@@ -245,7 +245,7 @@
+@@ -244,7 +244,7 @@
              <field name="arch" type="xml">
                  <form string="Add Attendees">
                      <group>