Fix typos in docs.

Fixes https://github.com/google/tarpc/issues/352.

README.md

@@ -40,7 +40,7 @@ rather than in a separate language such as .proto. This means there's no separat
 process, and no context switching between different languages.
 
 Some other features of tarpc:
-- Pluggable transport: any type implementing `Stream<Item = Request> + Sink<Response>` can be
+- Pluggable transport: any type impling `Stream<Item = Request> + Sink<Response>` can be
   used as a transport to connect the client and server.
 - `Send + 'static` optional: if the transport doesn't require it, neither does tarpc!
 - Cascading cancellation: dropping a request will send a cancellation message to the server.
@@ -55,7 +55,7 @@ Some other features of tarpc:
   [tracing](https://github.com/tokio-rs/tracing) primitives extended with
   [OpenTelemetry](https://opentelemetry.io/) traces. Using a compatible tracing subscriber like
   [Jaeger](https://github.com/open-telemetry/opentelemetry-rust/tree/main/opentelemetry-jaeger),
-  each RPC can be traced through the client, server, and other dependencies downstream of the
+  each RPC can be traced through the client, server, amd other dependencies downstream of the
   server. Even for applications not connected to a distributed tracing collector, the
   instrumentation can also be ingested by regular loggers like
   [env_logger](https://github.com/env-logger-rs/env_logger/).
@@ -81,7 +81,7 @@ your `Cargo.toml`:
 
 ```toml
 anyhow = "1.0"
-futures = "1.0"
+futures = "0.3"
 tarpc = { version = "0.27", features = ["tokio1"] }
 tokio = { version = "1.0", features = ["macros"] }
 ```

tarpc/src/lib.rs

@@ -68,7 +68,7 @@
 //!
 //! ```toml
 //! anyhow = "1.0"
-//! futures = "1.0"
+//! futures = "0.3"
 //! tarpc = { version = "0.27", features = ["tokio1"] }
 //! tokio = { version = "1.0", features = ["macros"] }
 //! ```

tarpc/src/server/incoming.rs

@@ -8,7 +8,7 @@ use std::{fmt, hash::Hash};
 #[cfg(feature = "tokio1")]
 use super::{tokio::TokioServerExecutor, Serve};
 
-/// An extension trait for [streams](Stream) of [`Channels`](Channel).
+/// An extension trait for [streams](futures::prelude::Stream) of [`Channels`](Channel).
 pub trait Incoming<C>
 where
     Self: Sized + Stream<Item = C>,