fix "Income increases with credits"
fix "Income increases with credits"

Signed-off-by: Georg J.P. Link <372f13fcc4d01111fd863f60dcddd7df9c04a473@gmail.com>
afh/ledger,ledger/ledger,afh/ledger,afh/ledger,ledger/ledger,afh/ledger,afh/ledger,ledger/ledger,ledger/ledger,ledger/ledger