diff --git a/core/src/lib.rs b/core/src/lib.rs
index 9f0b5e59..821e7e34 100644
--- a/core/src/lib.rs
+++ b/core/src/lib.rs
@@ -68,7 +68,7 @@
 //! ## Middlewares
 //!
 //! Examples of middleware connection upgrades include `PlainTextConfig` (dummy upgrade) or
-//! `SecioConfig` (encyption layer, provided by the `secio` crate).
+//! `SecioConfig` (encryption layer, provided by the `secio` crate).
 //!
 //! The output of a middleware connection upgrade implements the `AsyncRead` and `AsyncWrite`
 //! traits, just like sockets do.
diff --git a/protocols/ping/src/lib.rs b/protocols/ping/src/lib.rs
index cf5e1cb3..a8684c10 100644
--- a/protocols/ping/src/lib.rs
+++ b/protocols/ping/src/lib.rs
@@ -38,7 +38,7 @@
 //! future will never be signalled.
 //!
 //! For implementation reasons, resources allocated for a ping are only ever fully reclaimed after
-//! a pong has been received by the remote. Therefore if you repeatidely ping a non-responsive
+//! a pong has been received by the remote. Therefore if you repeatedly ping a non-responsive
 //! remote you will end up using more and more memory (albeit the amount is very very small every
 //! time), even if you destroy the future returned by `ping`.
 //!
diff --git a/protocols/ping/src/protocol.rs b/protocols/ping/src/protocol.rs
index a5ca043e..24ab1953 100644
--- a/protocols/ping/src/protocol.rs
+++ b/protocols/ping/src/protocol.rs
@@ -207,7 +207,7 @@ enum PingListenerState {
     Listening,
     /// We are trying to send a pong.
     Sending(Bytes),
-    /// We are flusing the underlying sink.
+    /// We are flushing the underlying sink.
     Flushing,
     /// We are shutting down everything.
     Closing,