Merge pull request #514 from tlevora/fix-readme-badge

Fix MSRV badge in README

Author: richardeoin

README.md

@@ -6,7 +6,7 @@ stm32h7xx-hal
 [![docs.rs](https://docs.rs/stm32h7xx-hal/badge.svg)](https://docs.rs/stm32h7xx-hal)
 [![CI](https://github.com/stm32-rs/stm32h7xx-hal/workflows/Continuous%20integration/badge.svg)](https://github.com/stm32-rs/stm32h7xx-hal/actions)
 [![Crates.io](https://img.shields.io/crates/v/stm32h7xx-hal.svg)](https://crates.io/crates/stm32h7xx-hal)
-0[Minimum rustc version](https://img.shields.io/badge/rustc-1.80.0+-yellow.svg)
+![Minimum rustc version](https://img.shields.io/badge/rustc-1.80.0+-yellow.svg)
 
 [_stm32h7xx-hal_](https://github.com/stm32-rs/stm32h7xx-hal) contains
 a hardware abstraction layer on top of the peripheral access API for