Add missing help text for test-device blocked command
diff --git a/test/test-device b/test/test-device
index 2322122..b44b91d 100755
--- a/test/test-device
+++ b/test/test-device
@@ -22,6 +22,7 @@
 	print "  name <address>"
 	print "  alias <address> [alias]"
 	print "  trusted <address> [yes/no]"
+	print "  blocked <address> [yes/no]"
 	sys.exit(1)
 
 if (sys.argv[1] == "list"):