diff --git a/core/src/transport.rs b/core/src/transport.rs
index 58a9c2a9557..de6ec279468 100644
--- a/core/src/transport.rs
+++ b/core/src/transport.rs
@@ -62,7 +62,7 @@ static NEXT_LISTENER_ID: AtomicUsize = AtomicUsize::new(1);
 pub enum PortUse {
     /// Always allocate a new port for the dial.
     New,
-    /// Best effor reusing of an existing port.
+    /// Best effort reusing of an existing port.
     ///
     /// If there is no listener present that can be used to dial, a new port is allocated.
     #[default]
diff --git a/misc/multistream-select/src/lib.rs b/misc/multistream-select/src/lib.rs
index 64daf375572..725c3a0e2ba 100644
--- a/misc/multistream-select/src/lib.rs
+++ b/misc/multistream-select/src/lib.rs
@@ -118,7 +118,7 @@ pub enum Version {
     ///
     /// This strategy is only applicable for the node with the role of "dialer"
     /// in the negotiation and only if the dialer supports just a single
-    /// application protocol. In that case the dialer immedidately "settles"
+    /// application protocol. In that case the dialer immediately "settles"
     /// on that protocol, buffering the negotiation messages to be sent
     /// with the first round of application protocol data (or an attempt
     /// is made to read from the `Negotiated` I/O stream).
diff --git a/transports/tcp/src/lib.rs b/transports/tcp/src/lib.rs
index e34f9ad0506..5abce4acd19 100644
--- a/transports/tcp/src/lib.rs
+++ b/transports/tcp/src/lib.rs
@@ -165,8 +165,8 @@ impl Config {
     ///
     /// # Deprecation Notice
     ///
-    /// The new implementation works on a per-connaction basis, defined by the behaviour. This
-    /// removes the necessaity to configure the transport for port reuse, instead the behaviour
+    /// The new implementation works on a per-connection basis, defined by the behaviour. This
+    /// removes the necessity to configure the transport for port reuse, instead the behaviour
     /// requiring this behaviour can decide whether to use port reuse or not.
     ///
     /// The API to configure port reuse is part of [`Transport`] and the option can be found in
@@ -175,7 +175,7 @@ impl Config {
     /// If [`PortUse::Reuse`] is enabled, the transport will try to reuse the local port of the
     /// listener. If that's not possible, i.e. there is no listener or the transport doesn't allow
     /// a direct control over ports, a new port (or the default behaviour) is used. If port reuse
-    /// is enabled for a connection, this option will be treated on a best-effor basis.
+    /// is enabled for a connection, this option will be treated on a best-effort basis.
     #[deprecated(
         since = "0.42.0",
         note = "This option does nothing now, since the port reuse policy is now decided on a per-connection basis by the behaviour. The function will be removed in a future release."