diff --git a/README.md b/README.md
index fd04055..9e18444 100644
--- a/README.md
+++ b/README.md
@@ -24,7 +24,7 @@ cd ../mission_rust
 cargo update 
 rustup toolchain install nightly
 rustup component add rust-src --toolchain nightly-x86_64-unknown-linux-gnu
-rustup override set default nightly
+rustup override set nightly
 cargo build -Z build-std
 ```