Add more tests

[rust.git] / README.md

diff --git a/README.md b/README.md
index a134a7bbdecc647d190363c35906b3a0fdf5415b..3d976e01f04bb722aa2d573ef3616173c5c70302 100644 (file)
--- a/README.md
+++ b/README.md
@@ -126,7 +126,7 @@ completed without error (whether or not changes were made).
 ## Checking style on a CI server
 
 To keep your code base consistently formatted, it can be helpful to fail the CI build
-when a pull request contains unformatted code. Using `--write-mode=check` instructs
+when a pull request contains unformatted code. Using `--check` instructs
 rustfmt to exit with an error code if the input is not formatted correctly.
 It will also print any found differences.
 
@@ -134,6 +134,8 @@ A minimal Travis setup could look like this (requires Rust 1.24.0 or greater):
 
 ```yaml
 language: rust
+rust:
+- nightly
 before_script:
 - rustup component add rustfmt-preview
 script: