Syntax for URI of sending a test email returns "not found"

This link: http://docs.couchbase.com/couchbase-manual-2.2/#sending-test-emails

Directs the user to use this URI: curl -i -u admin:password http://localhost:8091/settings/alerts/sendTestEmail

Which (at least on 2.2 and 2.5) returns an error of "object not found":
[root@cb1 ~]# curl -i -u Administrator:password http://localhost:8091/settings/alerts/sendtestemail -d ' '
HTTP/1.1 404 Object Not Found
Server: MochiWeb/1.0 (Any of you quaids got a smint?)
Date: Fri, 20 Dec 2013 10:58:52 GMT
Content-Type: text/plain
Content-Length: 10

Not found.