Change pool margin without paying pool registration again - guide needed

[laplasz]

or just follow the pool registration update section carefully - pool deposit not added when calculating txOut during re-registration:

txOut=$((${total_balance}-${fee}))
echo txOut: ${txOut}

the initial registration contains the pool deposit:

txOut=$((${total_balance}-${poolDeposit}-${fee}))
echo txOut: ${txOut}