Bip39 Standard. Remember, there is no such issue like a “Erroneous” passphrase. Every different passphrase you enter is really a completely new wallet. Watch out when recovering your seed which has a passphrase. Anybody else who discovers the phrase can steal the bitcoins. It should be held mystery, for instance https://socialbraintech.com/story4109546/bip39-wallets-https-linktr-ee-bip39-top-guidelines-of-bip39-passphrase