diff --git a/libexec/nuageinit/nuageinit b/libexec/nuageinit/nuageinit
index 8c289fea6b1..c8f74d13b7f 100755
--- a/libexec/nuageinit/nuageinit
+++ b/libexec/nuageinit/nuageinit
@@ -9,7 +9,7 @@ local ucl = require("ucl")
 local yaml = require("yaml")
 
 if #arg ~= 2 then
-	nuage.err("Usage " .. arg[0] .. " <cloud-init directory> [config-2|nocloud]", false)
+	nuage.err("Usage: " .. arg[0] .. " <cloud-init-directory> (<config-2> | <nocloud>)", false)
 end
 local path = arg[1]
 local citype = arg[2]
diff --git a/libexec/nuageinit/tests/nuageinit.sh b/libexec/nuageinit/tests/nuageinit.sh
index f3fc55e8752..6b8ea7ff332 100644
--- a/libexec/nuageinit/tests/nuageinit.sh
+++ b/libexec/nuageinit/tests/nuageinit.sh
@@ -19,9 +19,9 @@ atf_test_case config2_network_static_v4
 
 args_body()
 {
-	atf_check -s exit:1 -e inline:"Usage /usr/libexec/nuageinit <cloud-init directory> [config-2|nocloud]\n" /usr/libexec/nuageinit
-	atf_check -s exit:1 -e inline:"Usage /usr/libexec/nuageinit <cloud-init directory> [config-2|nocloud]\n" /usr/libexec/nuageinit bla
-	atf_check -s exit:1 -e inline:"Usage /usr/libexec/nuageinit <cloud-init directory> [config-2|nocloud]\n" /usr/libexec/nuageinit bla meh plop
+	atf_check -s exit:1 -e inline:"Usage: /usr/libexec/nuageinit <cloud-init-directory> (<config-2> | <nocloud>)\n" /usr/libexec/nuageinit
+	atf_check -s exit:1 -e inline:"Usage: /usr/libexec/nuageinit <cloud-init-directory> (<config-2> | <nocloud>)\n" /usr/libexec/nuageinit bla
+	atf_check -s exit:1 -e inline:"Usage: /usr/libexec/nuageinit <cloud-init-directory> (<config-2> | <nocloud>)\n" /usr/libexec/nuageinit bla meh plop
 	atf_check -s exit:1 -e inline:"nuageinit: Unknown cloud init type: meh\n" /usr/libexec/nuageinit bla meh
 }