message: Add text to walletpassphrase RPC description.
diff: @@ -2714,7 +2714,7 @@ static UniValue walletpassphrase(const JSONRPCRequest& request)
  if (request.fHelp || request.params.size() != 3) {
  throw std::runtime_error(
  - "walletpassphrase \"passphrase\" timeout\n"
  + "walletpassphrase \"passphrase\" unlockforstakingonly timeout\n"
  "\nStores the wallet decryption key in memory for 'timeout' seconds.\n"
  "This is needed prior to performing transactions related to private keys such as sending veil\n"
  "\nArguments:\n"
  @@ -5156,7 +5156,7 @@ static const CRPCCommand commands[] =
  { "wallet", "unloadwallet", &unloadwallet, {"wallet_name"} },
  { "wallet", "walletlock", &walletlock, {} },
  { "wallet", "walletpassphrasechange", &walletpassphrasechange, {"oldpassphrase","newpassphrase"} },
  - { "wallet", "walletpassphrase", &walletpassphrase, {"passphrase","timeout"} },
  + { "wallet", "walletpassphrase", &walletpassphrase, {"passphrase","unlockforstakingonly","timeout"} },
  { "wallet", "removeprunedfunds", &removeprunedfunds, {"txid"} },
  { "wallet", "rescanblockchain", &rescanblockchain, {"start_height", "stop_height"} },
  { "wallet", "sethdseed", &sethdseed, {"newkeypool","seed"} },
  