More detail in the installation error description

[Leo6Leo]

git-utils/install.sh

Lines 42 to 44 in 43dbb44

	echo "If you use bash, add 'export PATH=\"\${PATH}:\${HOME}/bin\"' to your .bashrc file, and then run \"source .bashrc\""
	echo "If you use zsh, add 'export PATH=\"\${PATH}:\${HOME}/bin\"' to your .zshrc file, and then run \"source .zshrc\""
	echo "If you use fish, add 'fish_add_path -m ~/bin' to your config.fish file, and then run \"source config.fish\""

Change the error message to add the root directory.