Minor doc cleanups
Fix spelling of MCUboot, and remove a duplicated link.
## Overview
-MCUBoot is a secure bootloader for 32-bit MCUs. The goal of MCUBoot is to
+MCUboot is a secure bootloader for 32-bit MCUs. The goal of MCUboot is to
define a common infrastructure for the bootloader, system flash layout on
microcontroller systems, and to provide a secure bootloader that enables
easy software upgrade.
@@ -22,7 +22,6 @@ target with a complete port planned.
tool.
- [Patch submission]({% link SubmittingPatches.md %}) for information
on how to contribute to mcuboot.
-- The [internal design]({% link design.txt %}) documentation.
- Testing
- The [Zephyr]({% link testplan-zephyr.md %}) test plan.
- The [mynewt]({% link testplan-mynewt.md %}) test plan.
