Merge pull request #79 from Sh3Rm4n/changelog

Fix PR links in changelog

Author: Sh3Rm4n

CHANGELOG.md

@@ -12,11 +12,11 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 ### Fixed
 
 - Wrong frequency reported by `MonoTimer` ([#56](https://github.com/stm32-rs/stm32f3xx-hal/pull/56))
-- Use automatic mode with I2C autoend on `Read` ([#72](https://github.com/stm32-rs/stm32f3xx-hal/pull/72/))
+- Use automatic mode with I2C autoend on `Read` ([#72](https://github.com/stm32-rs/stm32f3xx-hal/pull/72))
 
 ### Changed
 
-- Bump `stm32f3` dependency to `0.10.0` ([#42](https://github.com/stm32-rs/stm32f3xx-hal/pull/42))
+- Bump `stm32f3` dependency to `0.10.0` ([#70](https://github.com/stm32-rs/stm32f3xx-hal/pull/70))
 
 ## [v0.4.1] - 2020-03-07
 
@@ -53,7 +53,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ### Fixed
 
-- Fixed wrong initialization of the SPI ([#35](https://github.com/stm32-rs/stm32f3xx-hal/pull/18))
+- Fixed wrong initialization of the SPI ([#35](https://github.com/stm32-rs/stm32f3xx-hal/pull/35))
 
 ## [v0.3.0] - 2019-08-26
 
@@ -88,7 +88,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 ### Changed
 
 - Bump `stm32f3` version to `0.7.1` ([#12](https://github.com/stm32-rs/stm32f3xx-hal/pull/12))
-- Bump `embedded-hal` version to `0.2.1` ([#11](https://github.com/stm32-rs/stm32f3xx-hal/pull/11))
+- Bump `embedded-hal` version to `0.2.3` ([#11](https://github.com/stm32-rs/stm32f3xx-hal/pull/11))
 
 ### Fixed