fix typo in README & remove unnecessary CI env var

- CI: `CARGO_TERM_COLOR` is already set by `dtolnay/rust-toolchain`

Author: rursprung

.github/workflows/CI.yml

@@ -5,9 +5,6 @@ on:
     branches: [ "master" ]
   pull_request:
 
-env:
-  CARGO_TERM_COLOR: always
-
 jobs:
   lib:
     strategy:

README.md

@@ -24,7 +24,7 @@ See the documentation for usage examples.
 * `defmt`: you can enable the [`defmt`](https://defmt.ferrous-systems.com/) feature to get a `defmt::debug!` call for every speed change.
 
 ## Examples
-An simple example for the STM32F4 microcontrollers is [available](examples/stm32f4-single-motor-example/README.md).
+A simple example for the STM32F4 microcontrollers is [available](examples/stm32f4-single-motor-example/README.md).
 
 ## Changelog
 For the changelog please see the dedicated [CHANGELOG.md](CHANGELOG.md).