diff --git a/src/wallet/rpcwallet.cpp b/src/wallet/rpcwallet.cpp
--- a/src/wallet/rpcwallet.cpp
+++ b/src/wallet/rpcwallet.cpp
@@ -5248,7 +5248,7 @@
         { "wallet",             "getaddressinfo",               getaddressinfo,               {"address"} },
         { "wallet",             "getbalance",                   getbalance,                   {"dummy","minconf","include_watchonly","avoid_reuse"} },
         { "wallet",             "getnewaddress",                getnewaddress,                {"label", "address_type"} },
-        { "wallet",             "getrawchangeaddress",          getrawchangeaddress,          {"address_type"} },
+        { "wallet",             "getrawchangeaddress",          getrawchangeaddress,          {} },
         { "wallet",             "getreceivedbyaddress",         getreceivedbyaddress,         {"address","minconf"} },
         { "wallet",             "getreceivedbylabel",           getreceivedbylabel,           {"label","minconf"} },
         { "wallet",             "gettransaction",               gettransaction,               {"txid","include_watchonly","verbose"} },
@@ -5277,7 +5277,7 @@
         { "wallet",             "settxfee",                     settxfee,                     {"amount"} },
         { "wallet",             "setwalletflag",                 setwalletflag,                 {"flag","value"} },
         { "wallet",             "signmessage",                  signmessage,                  {"address","message"} },
-        { "wallet",             "signrawtransactionwithwallet", signrawtransactionwithwallet, {"hextring","prevtxs","sighashtype"} },
+        { "wallet",             "signrawtransactionwithwallet", signrawtransactionwithwallet, {"hexstring", "prevtxs", "sighashtype"} },
         { "wallet",             "unloadwallet",                 unloadwallet,                 {"wallet_name", "load_on_startup"} },
         { "wallet",             "upgradewallet",                upgradewallet,                {"version"} },
         { "wallet",             "walletcreatefundedpsbt",       walletcreatefundedpsbt,       {"inputs","outputs","locktime","options","bip32derivs"} },