Update README_JP6.2.md

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: ejgoldik

README_JP6.2.md

@@ -120,7 +120,7 @@ Following steps required:
 
 1. Create "dev" directory in boot (in order to not override the default kernel)
 ```
-sudo mkdir /boot/development
+sudo mkdir /boot/dev
 ```
 2. Copy build artifacts:
 If you build locally use those commands: