diff --git a/cloud/training/101.md b/cloud/training/101.md
index eb57a3d..f7e25e5 100644
--- a/cloud/training/101.md
+++ b/cloud/training/101.md
@@ -31,6 +31,13 @@ pip install --upgrade pip
 pip install python-openstackclient
 ```
 
+## Load your openstack credentials
+
+Load in your shell the variables that permit to talk with your openstack
+```
+source openrc_isenx   # replace x with your isen number
+```
+
 ## Instance
 This part will help you manage some compute resources of the cloud.