diff --git a/src/masternodes/icxorder.cpp b/src/masternodes/icxorder.cpp
index e68827062d7..5dfb605b525 100644
--- a/src/masternodes/icxorder.cpp
+++ b/src/masternodes/icxorder.cpp
@@ -73,7 +73,7 @@ Res CICXOrderView::ICXCreateOrder(CICXOrderImpl const & order)
     if (order.amountFrom == 0)
         return Res::Err("order amountFrom must be greater than 0!");
     if (order.amountToFill != order.amountFrom)
-        return Res::Err("order amountToFill does not equal to amountFrom!");
+        return Res::Err("order amountToFill is not equal to amountFrom!");
     if (order.orderPrice == 0)
         return Res::Err("order price must be greater than 0!");
     if (order.expiry < CICXOrder::DEFAULT_EXPIRY)
diff --git a/src/masternodes/mn_checks.cpp b/src/masternodes/mn_checks.cpp
index c03c7c1dec6..e7167c133b1 100644
--- a/src/masternodes/mn_checks.cpp
+++ b/src/masternodes/mn_checks.cpp
@@ -413,7 +413,7 @@ class CCustomMetadataParseVisitor : public boost::static_visitor<Res>
             ss >> name;
             auto var = GovVariable::Create(name);
             if (!var) {
-                return Res::Err("'%s': variable does not registered", name);
+                return Res::Err("'%s': variable is not registered", name);
             }
             ss >> *var;
             obj.govs.insert(std::move(var));
@@ -431,7 +431,7 @@ class CCustomMetadataParseVisitor : public boost::static_visitor<Res>
         ss >> name;
         obj.govVar = GovVariable::Create(name);
         if (!obj.govVar) {
-            return Res::Err("'%s': variable does not registered", name);
+            return Res::Err("'%s': variable is not registered", name);
         }
         ss >> *obj.govVar;
         ss >> obj.startHeight;
diff --git a/src/masternodes/rpc_vault.cpp b/src/masternodes/rpc_vault.cpp
index 2a696c79654..9bcbda89ad4 100644
--- a/src/masternodes/rpc_vault.cpp
+++ b/src/masternodes/rpc_vault.cpp
@@ -325,7 +325,7 @@ UniValue closevault(const JSONRPCRequest& request) {
         // decode vaultId
         auto vault = pcustomcsview->GetVault(msg.vaultId);
         if (!vault)
-            throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, strprintf("Vault <%s> does not found", msg.vaultId.GetHex()));
+            throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, strprintf("Vault <%s> not found", msg.vaultId.GetHex()));
 
         if (vault->isUnderLiquidation)
             throw JSONRPCError(RPC_TRANSACTION_REJECTED, "Vault is under liquidation.");
@@ -600,7 +600,7 @@ UniValue updatevault(const JSONRPCRequest& request) {
         // decode vaultId
         auto storedVault = pcustomcsview->GetVault(vaultId);
         if (!storedVault)
-            throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, strprintf("Vault <%s> does not found", vaultId.GetHex()));
+            throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, strprintf("Vault <%s> not found", vaultId.GetHex()));
 
         if(storedVault->isUnderLiquidation)
             throw JSONRPCError(RPC_TRANSACTION_REJECTED, "Vault is under liquidation.");
@@ -824,7 +824,7 @@ UniValue withdrawfromvault(const JSONRPCRequest& request) {
         // decode vaultId
         auto vault = pcustomcsview->GetVault(vaultId);
         if (!vault)
-            throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, strprintf("Vault <%s> does not found", vaultId.GetHex()));
+            throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, strprintf("Vault <%s> not found", vaultId.GetHex()));
 
         ownerAddress = vault->ownerAddress;
     }
@@ -1274,8 +1274,8 @@ UniValue listvaulthistory(const JSONRPCRequest& request) {
                        "[{},{}...]     (array) Objects with vault history information\n"
                },
                RPCExamples{
-                       HelpExampleCli("listburnhistory", "84b22eee1964768304e624c416f29a91d78a01dc5e8e12db26bdac0670c67bb2 '{\"maxBlockHeight\":160,\"depth\":10}'")
-                       + HelpExampleRpc("listburnhistory", "84b22eee1964768304e624c416f29a91d78a01dc5e8e12db26bdac0670c67bb2, '{\"maxBlockHeight\":160,\"depth\":10}'")
+                       HelpExampleCli("listvaulthistory", "84b22eee1964768304e624c416f29a91d78a01dc5e8e12db26bdac0670c67bb2 '{\"maxBlockHeight\":160,\"depth\":10}'")
+                       + HelpExampleRpc("listvaulthistory", "84b22eee1964768304e624c416f29a91d78a01dc5e8e12db26bdac0670c67bb2, '{\"maxBlockHeight\":160,\"depth\":10}'")
                },
     }.Check(request);