diff --git a/readme.md b/readme.md
index c748d54..72c7ab1 100644
--- a/readme.md
+++ b/readme.md
@@ -210,7 +210,7 @@ This pastebin:
   to your Git hooks:
 
   ```bash
-  $ cat tools/prepush >> .git/hooks/pre-push
+  $ cp -a tools/prepush .git/hooks/pre-push
   ```
 
   Alternately, just run `./tools/prepush` yourself before pushing.
diff --git a/tools/prepush b/tools/prepush
index e33f5e0..860e31c 100755
--- a/tools/prepush
+++ b/tools/prepush
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-echo "[prepush] Running cargo fmt --check"
-cargo fmt -- --check
+echo "[prepush] Running cargo fmt"
+cargo fmt
 echo "[prepush] Running cargo clippy"
 cargo clippy -- -Dwarnings