diff --git a/swarm/src/connection.rs b/swarm/src/connection.rs
index f0bac724942..85aa7a0f5d4 100644
--- a/swarm/src/connection.rs
+++ b/swarm/src/connection.rs
@@ -762,7 +762,7 @@ enum Shutdown {
     Later(Delay),
 }
 
-// Structure used to avoid allocations when storing the protocols in the `HashMap.
+// Structure used to avoid allocations when storing the protocols in the `HashMap`.
 // Instead of allocating a new `String` for the key,
 // we use `T::as_ref()` in `Hash`, `Eq` and `PartialEq` requirements.
 pub(crate) struct AsStrHashEq<T>(pub(crate) T);