diff --git a/src/rpc/mining.cpp b/src/rpc/mining.cpp
index 6a16749e5d..07d89bbc37 100644
--- a/src/rpc/mining.cpp
+++ b/src/rpc/mining.cpp
@@ -907,7 +907,7 @@ static UniValue estimaterawfee(const JSONRPCRequest& request)
                     {"conf_target", RPCArg::Type::NUM, RPCArg::Optional::NO, "Confirmation target in blocks (1 - 1008)"},
                     {"threshold", RPCArg::Type::NUM, /* default */ "0.95", "The proportion of transactions in a given feerate range that must have been\n"
             "               confirmed within conf_target in order to consider those feerates as high enough and proceed to check\n"
-            "               lower buckets.  Default: 0.95"},
+            "               lower buckets."},
                 },
                 RPCResult{
             "{\n"
diff --git a/src/rpc/rawtransaction.cpp b/src/rpc/rawtransaction.cpp
index 2291cf0a82..4f9915624c 100644
--- a/src/rpc/rawtransaction.cpp
+++ b/src/rpc/rawtransaction.cpp
@@ -924,7 +924,7 @@ static UniValue signrawtransactionwithkey(const JSONRPCRequest& request)
                                     {"txid", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "The transaction id"},
                                     {"vout", RPCArg::Type::NUM, RPCArg::Optional::NO, "The output number"},
                                     {"scriptPubKey", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "script key"},
-                                    {"redeemScript", RPCArg::Type::STR_HEX, /* default_val */ "", "(required for P2SH or P2WSH) redeem script"},
+                                    {"redeemScript", RPCArg::Type::STR_HEX, RPCArg::Optional::OMITTED, "(required for P2SH or P2WSH) redeem script"},
                                     {"amount", RPCArg::Type::AMOUNT, RPCArg::Optional::NO, "The amount spent"},
                                 },
                             },
@@ -1484,7 +1484,7 @@ UniValue createpsbt(const JSONRPCRequest& request)
                                 {
                                     {"txid", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "The transaction id"},
                                     {"vout", RPCArg::Type::NUM, RPCArg::Optional::NO, "The output number"},
-                                    {"sequence", RPCArg::Type::NUM, /* default */ "", "The sequence number"},
+                                    {"sequence", RPCArg::Type::NUM, /* default */ "depends on the value of 'locktime' argument", "The sequence number"},
                                 },
                                 },
                         },
diff --git a/src/rpc/util.h b/src/rpc/util.h
index e5e58e9042..fc0af5066c 100644
--- a/src/rpc/util.h
+++ b/src/rpc/util.h
@@ -115,7 +115,7 @@ struct RPCArg {
 
     /**
      * Return the type string of the argument.
-     * Set oneline to allow it to be overrided by a custom oneline type string (m_oneline_description).
+     * Set oneline to allow it to be overridden by a custom oneline type string (m_oneline_description).
      */
     std::string ToString(bool oneline) const;
     /**
diff --git a/src/wallet/rpcwallet.cpp b/src/wallet/rpcwallet.cpp
index 4ac2cb0cb4..ed7380d8ed 100644
--- a/src/wallet/rpcwallet.cpp
+++ b/src/wallet/rpcwallet.cpp
@@ -1601,7 +1601,7 @@ static UniValue listsinceblock(const JSONRPCRequest& request)
                 "If \"blockhash\" is no longer a part of the main chain, transactions from the fork point onward are included.\n"
                 "Additionally, if include_removed is set, transactions affecting the wallet which were removed are returned in the \"removed\" array.\n",
                 {
-                    {"blockhash", RPCArg::Type::STR, RPCArg::Optional::OMITTED_NAMED_ARG, "If set, the block hash to list transactions since"},
+                    {"blockhash", RPCArg::Type::STR, RPCArg::Optional::OMITTED_NAMED_ARG, "If set, the block hash to list transactions since, otherwise list all transactions."},
                     {"target_confirmations", RPCArg::Type::NUM, /* default */ "1", "Return the nth block hash from the main chain. e.g. 1 would mean the best block hash. Note: this is not used as a filter, but only affects [lastblock] in the return value"},
                     {"include_watchonly", RPCArg::Type::BOOL, /* default */ "false", "Include transactions to watch-only addresses (see 'importaddress')"},
                     {"include_removed", RPCArg::Type::BOOL, /* default */ "true", "Show transactions that were removed due to a reorg in the \"removed\" array\n"
@@ -3403,7 +3403,6 @@ static UniValue fundrawtransaction(const JSONRPCRequest& request)
                             {"feeRate", RPCArg::Type::AMOUNT, /* default */ "not set: makes wallet determine the fee", "Set a specific fee rate in " + CURRENCY_UNIT + "/kB"},
                             {"subtractFeeFromOutputs", RPCArg::Type::ARR, /* default */ "empty array", "A json array of integers.\n"
                             "                              The fee will be equally deducted from the amount of each specified output.\n"
-                            "                              The outputs are specified by their zero-based index, before any change output is added.\n"
                             "                              Those recipients will receive less dash than you enter in their corresponding amount field.\n"
                             "                              If no outputs are specified here, the sender pays the fee.",
                                 {
@@ -4125,7 +4124,6 @@ UniValue walletcreatefundedpsbt(const JSONRPCRequest& request)
                             {"feeRate", RPCArg::Type::AMOUNT, /* default */ "not set: makes wallet determine the fee", "Set a specific fee rate in " + CURRENCY_UNIT + "/kB"},
                             {"subtractFeeFromOutputs", RPCArg::Type::ARR, /* default */ "empty array", "A json array of integers.\n"
                             "                              The fee will be equally deducted from the amount of each specified output.\n"
-                            "                              The outputs are specified by their zero-based index, before any change output is added.\n"
                             "                              Those recipients will receive less Dash than you enter in their corresponding amount field.\n"
                             "                              If no outputs are specified here, the sender pays the fee.",
                                 {