Merge pull request #7290
fa461df Clarify mocktime help message (MarcoFalke)
faa572a [init] Help Msg: Use Params(CBaseChainParams::MAIN) (MarcoFalke)
fa6ab96 [init] Add missing help for args (MarcoFalke)
fac11ea [init] Fix error message of maxtxfee invalid amount (MarcoFalke)