diff --git a/README.asciidoc b/README.asciidoc
index 74725f3..548900b 100644
--- a/README.asciidoc
+++ b/README.asciidoc
@@ -601,6 +601,10 @@ The following options can be overridden on a per-instance basis:
 `notifyMsgServerTerminated`::
     Message to be sent when server has crashed and is being restarted. Use `-` to disable.
 
+`notifyvar_<varname>`:
+    Extra variables to be used to replace `{<varname>}` replacement parameters in notify message.
+    e.g. `notifyvar_instancename="My Instance"` will replace `{instancename}` with `My Instance` in the notify message.
+
 `noNotifyWarn`::
     Disable notification at start of shutdown warning period