kmx.io/null_shell

diff --git a/README.md b/README.md
index b1cb6a6..7761a2e 100644
--- a/README.md
+++ b/README.md
@@ -7,6 +7,6 @@ It reads input from stdin and does nothing.
 
 It returns zero when stdin is closed.
 
-It is ISC licensed ANSI C (C89).
+It is free for use ANSI C (C89).
 
 It installs in /bin and is statically linked by default.