diff --git a/zeroize/README.md b/zeroize/README.md
index 9db4ccaa..5ddceb02 100644
--- a/zeroize/README.md
+++ b/zeroize/README.md
@@ -44,7 +44,7 @@ semantic versioning guarantees).
 
 ## Example
 
-```
+```rust
 use zeroize::Zeroize;
 
 // Protip: don't embed secrets in your source code.