use `cargo +nightly` rather than `rustup run nightly cargo`

diff --git a/README.md b/README.md
index 843535caf9defea95900a32b7085083743beb62f..aa8e0315b7687e5feae0727cf9a0b80d9effca5b 100644 (file)
--- a/README.md
+++ b/README.md
@@ -16,7 +16,7 @@ rustup update nightly
 
 You should also make `nightly` the default version for your Miri directory by
 running the following command while you're in it. If you don't do this, you can
-run the later `cargo` commands by prefixing them with `rustup run nightly`.
+run the later `cargo` commands by using `cargo +nightly` instead.
 
 ```sh
 rustup override add nightly