fix code block highlighting in README on crates.iov0.1.1

1 files changed, 3 insertions, 3 deletions

diff --git a/README.md b/README.md
index 3b2877e..ec67b2e 100644
--- a/README.md
+++ b/README.md
@@ -26,7 +26,7 @@ Sputnik does **not**:
 
 ## CsrfToken example
 
-```rs
+```rust
 use std::convert::Infallible;
 use hyper::service::{service_fn, make_service_fn};
 use hyper::{Method, Server};
@@ -92,7 +92,7 @@ async fn main() {
 After a successful authentication you can build a session id cookie for
 example as follows:
 
-```rs
+```rust
 let expiry_date = OffsetDateTime::now_utc() + Duration::hours(24);
 let mut cookie = Cookie::new("userid",
     key.sign(
@@ -106,7 +106,7 @@ resp.set_cookie(cookie);
 
 This session id cookie can then be retrieved and verified as follows:
 
-```rs
+```rust
 let userid = req.cookies().get("userid")
     .ok_or_else(|| Error::unauthorized("expected userid cookie".to_owned()))
     .and_then(|cookie| key.verify(cookie.value()).map_err(Error::unauthorized))