diff --git a/etc/tempest.conf.sample b/etc/tempest.conf.sample
index b3aca42..371ff97 100644
--- a/etc/tempest.conf.sample
+++ b/etc/tempest.conf.sample
@@ -647,6 +647,10 @@
 # Is the v1 image API enabled (boolean value)
 #api_v1 = true
 
+# Is the deactivate-image feature enabled. The feature has been
+# integrated since Kilo. (boolean value)
+#deactivate_image = false
+
 
 [input-scenario]