Fix typos in documentation for Poll
@@ -258,7 +258,7 @@ use std::time::{Duration, Instant};
/// ### Registering handles
///
/// Unless otherwise noted, it should be assumed that types implementing
-/// [`Evented`] will never be become ready unless they are registered with `Poll`.
+/// [`Evented`] will never become ready unless they are registered with `Poll`.
///
/// For example:
///
@@ -917,7 +917,7 @@ impl Poll {
/// been received or `timeout` has elapsed. A `timeout` of `None` means that
/// `poll` will block until a readiness event has been received.
///
- /// The supplied `events` will be cleared and newly received readinss events
+ /// The supplied `events` will be cleared and newly received readiness events
/// will be pushed onto the end. At most `events.capacity()` events will be
/// returned. If there are further pending readiness events, they will be
/// returned on the next call to `poll`.
