diff --git a/doc/source/template_guide/software_deployment.rst b/doc/source/template_guide/software_deployment.rst
index 80e7a78568..42892d5c4a 100644
--- a/doc/source/template_guide/software_deployment.rst
+++ b/doc/source/template_guide/software_deployment.rst
@@ -513,6 +513,10 @@ required in later examples:
     glance image-create --disk-format qcow2 --container-format bare \
         --name $IMAGE_NAME < $IMAGE_NAME.qcow2
 
+.. note:: Above script uses diskimage-builder, make sure the environment
+          already fulfill all requirements in requirements.txt of
+          diskimage-builder.
+
 
 Configuring with scripts
 ------------------------