README

README.md

-# `stm32f30x-hal`
+# `stm32f4x-hal`
 
-> HAL for the STM32F30x family of microcontrollers
+> HAL for the STM32F4x family of microcontrollers
 
 [`embedded-hal`]: https://crates.io/crates/embedded-hal
 

examples/hello_itm.rs

 //! Prints "Hello, world" on the ITM console
+//! and Semihosting in the openocd console
+//!
+//! Using cortex-m-debug, for simple tracing
 #![deny(unsafe_code)]
 #![deny(warnings)]
 #![no_std]
 
-//extern crate cortex_m_semihosting as semihosting;
 extern crate stm32f4xx_hal;
 
 // Convenient tracing over semihosting and ITM