Update src/watchdog.rs

Co-authored-by: Diego Barrios Romero <eldruin@gmail.com>

Update this change to changelog; thanks @eldruin

Update CHANGELOG.md

Co-authored-by: Diego Barrios Romero <eldruin@gmail.com>

Update document

CHANGELOG.md

@@ -8,6 +8,10 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased]
 
+### Changed
+
+- The watchdog API now uses move semantics. See [PR](https://github.com/rust-embedded/embedded-hal/pull/222).
+
 ## [v1.0.0-alpha.1] - 2020-06-16
 
 *** This is an alpha release with breaking changes (sorry) ***

src/watchdog.rs

@@ -1,7 +1,7 @@
 //! Traits for interactions with a processors watchdog timer.
 
 /// Feeds an existing watchdog to ensure the processor isn't reset. Sometimes
-/// the "feeding" operation is commonly referred to as "refreshing".
+/// the "feeding" operation is also referred to as "refreshing".
 pub trait Watchdog {
     /// An enumeration of `Watchdog` errors.
     ///
@@ -54,7 +54,7 @@ pub trait Disable {
 
     /// Disables the watchdog.
     ///
-    /// This stops the watchdog and returns the `Enable` trait so that
-    /// it can be started again.
+    /// This stops the watchdog and returns an instance implementing the
+    /// `Enable` trait so that it can be started again.
     fn try_disable(self) -> Result<Self::Target, Self::Error>;
 }