diff --git a/src/concurrency/async-exercises/dining-philosophers.md b/src/concurrency/async-exercises/dining-philosophers.md
index a1d783cc..5c3bfff4 100644
--- a/src/concurrency/async-exercises/dining-philosophers.md
+++ b/src/concurrency/async-exercises/dining-philosophers.md
@@ -36,7 +36,7 @@ code below to a file called `src/main.rs`, fill out the blanks, and test that
 }
 ```
 
-Since this time you are using Async Rust, you'll need a `tokio` dependency. You
+Since this time you are using async Rust, you'll need a `tokio` dependency. You
 can use the following `Cargo.toml`:
 
 <!-- File Cargo.toml -->