diff --git a/subjects/argsort/README.md b/subjects/argsort/README.md
index 81276212..e0aae3e8 100644
--- a/subjects/argsort/README.md
+++ b/subjects/argsort/README.md
@@ -6,14 +6,14 @@ Write a program that checks if an argument is sorted or not.
 - Your Program should return `T` followed by a newline (`'\n'`) if the argument is sorted.
 - Your Program should return `F` followed by a newline (`'\n'`) if the argument is not sorted.
 - If there is more than one argument return a newline (`'\n'`).
-- If the argument is empty return a newline (`'\n'`).
+- If the number of arguments is not 2 do nothing.
 
 ### Usage
 
 And it's output should be:
 
 ```console
-$ go run .
+$ go run . | cat -e
 $ go run . a | cat -e
 T$
 $ go run . " 5ABc" | cat -e