diff --git a/vars/local_vars_big.yml b/vars/local_vars_big.yml
index 330e25c4c..569b508dc 100644
--- a/vars/local_vars_big.yml
+++ b/vars/local_vars_big.yml
@@ -199,6 +199,7 @@ iiab_usb_lib_show_all: True
 # ejabberd_xs_install: False
 # ejabberd_xs_enabled: False
 
+# UNMAINTAINED since about 2012-2017
 # Change calibre_port from 8080 to 8010 below, if you enable idmgr
 # idmgr_install: False
 # idmgr_enabled: False