From 44c90c95b7ebe8118f958770262ae817fcaa16c8 Mon Sep 17 00:00:00 2001
From: Chris <christopher.fremond@gmail.com>
Date: Wed, 31 Mar 2021 12:17:52 +0100
Subject: [PATCH] exam tested

---
 subjects/rpn/README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/subjects/rpn/README.md b/subjects/rpn/README.md
index 1364d086..9e3a5f6a 100644
--- a/subjects/rpn/README.md
+++ b/subjects/rpn/README.md
@@ -60,7 +60,7 @@ $ cargo run "1 2 * 3 * 4 +"
 10
 $ cargo run "1 2 3 4 +"
 Error
-$ cargo run
+$ cargo run ""
 Error
 $ cargo run "     1      3 * 2 -"
 1