Fix typo + add some info on the purpose of pre-rebase hook
Fix typo + add some info on the purpose of pre-rebase hook

EVODelavega/gp-scripts,EVODelavega/gp-scripts,EVODelavega/gp-scripts,EVODelavega/gp-scripts,EVODelavega/gp-scripts,EVODelavega/gp-scripts,EVODelavega/gp-scripts,EVODelavega/gp-scripts,EVODelavega/gp-scripts,EVODelavega/gp-scripts,EVODelavega/gp-scripts,EVODelavega/gp-scripts