refactor comments for clarity

Author: m-a-h-b-u-b

scripts/flash.sh

@@ -6,6 +6,7 @@
 #           - Commercial license required for closed-source use
 # Author  : Md Mahbubur Rahman
 # URL     : <https://m-a-h-b-u-b.github.io>
-# GitHub  : <https://github.com/m-a-h-b-u-b/M2-Bootloader-RUST>
+# GitHub  : <https://github.com/m-a-h-b-u-b/M2-Bootloader-Rust>
+
 probe-rs-cli download target/thumbv7em-none-eabihf/debug/bootloader --chip STM32F411RE
 probe-rs-cli download target/thumbv7em-none-eabihf/debug/app --chip STM32F411RE --base-address 0x08004000