diff --git a/tools/appliance/definitions/systemvm64template/definition.rb b/tools/appliance/definitions/systemvm64template/definition.rb
index f9308a05587..bee7db7c665 100644
--- a/tools/appliance/definitions/systemvm64template/definition.rb
+++ b/tools/appliance/definitions/systemvm64template/definition.rb
@@ -1,3 +1,10 @@
+#
+# NOTE: Before changing the version of the debian image make
+# sure it is added to the userContent of jenkins.buildacloud.org
+# and the copy task is updated on the systemvm builds
+# This will prevent the inevitable build failure once the iso is
+# removed from the debian mirrors
+#
 Veewee::Definition.declare({
   :cpu_count => '1',
   :memory_size=> '256',
diff --git a/tools/appliance/definitions/systemvmtemplate/definition.rb b/tools/appliance/definitions/systemvmtemplate/definition.rb
index fcaab4d0c3e..ab65f53aaa6 100644
--- a/tools/appliance/definitions/systemvmtemplate/definition.rb
+++ b/tools/appliance/definitions/systemvmtemplate/definition.rb
@@ -1,3 +1,10 @@
+#
+# NOTE: Before changing the version of the debian image make
+# sure it is added to the userContent of jenkins.buildacloud.org
+# and the copy task is updated on the systemvm builds
+# This will prevent the inevitable build failure once the iso is
+# removed from the debian mirrors
+#
 Veewee::Definition.declare({
   :cpu_count => '1',
   :memory_size=> '256',