diff --git a/pkg/core/contract_state_test.go b/pkg/core/contract_state_test.go
index 1507ec566..9ab2e8233 100644
--- a/pkg/core/contract_state_test.go
+++ b/pkg/core/contract_state_test.go
@@ -18,7 +18,7 @@ func TestEncodeDecodeContractState(t *testing.T) {
 		ParamList:   []smartcontract.ParamType{smartcontract.StringType, smartcontract.IntegerType, smartcontract.Hash160Type},
 		ReturnType:  smartcontract.BoolType,
 		Properties:  smartcontract.HasStorage,
-		Name:        "Contracto",
+		Name:        "Contrato",
 		CodeVersion: "1.0.0",
 		Author:      "Joe Random",
 		Email:       "joe@example.com",
@@ -61,7 +61,7 @@ func TestPutGetDeleteContractState(t *testing.T) {
 		ParamList:   []smartcontract.ParamType{smartcontract.StringType, smartcontract.IntegerType, smartcontract.Hash160Type},
 		ReturnType:  smartcontract.BoolType,
 		Properties:  smartcontract.HasStorage,
-		Name:        "Contracto",
+		Name:        "Contrato",
 		CodeVersion: "1.0.0",
 		Author:      "Joe Random",
 		Email:       "joe@example.com",
diff --git a/pkg/core/interop_neo.go b/pkg/core/interop_neo.go
index 19d9247cf..0dc9a1a75 100644
--- a/pkg/core/interop_neo.go
+++ b/pkg/core/interop_neo.go
@@ -417,7 +417,7 @@ func (ic *interopContext) storageFind(v *vm.VM) error {
 */
 // createContractStateFromVM pops all contract state elements from the VM
 // evaluation stack, does a lot of checks and returns ContractState if it
-// succeedes.
+// succeeds.
 func (ic *interopContext) createContractStateFromVM(v *vm.VM) (*ContractState, error) {
 	if ic.trigger != 0x10 {
 		return nil, errors.New("can't create contract when not triggered by an application")
diff --git a/pkg/network/discovery.go b/pkg/network/discovery.go
index cbc6464a5..7d3415a6f 100644
--- a/pkg/network/discovery.go
+++ b/pkg/network/discovery.go
@@ -115,7 +115,7 @@ func (d *DefaultDiscovery) BadPeers() []string {
 }
 
 // GoodPeers returns all addresses of known good peers (that at least once
-// succeded handshaking with us).
+// succeeded handshaking with us).
 func (d *DefaultDiscovery) GoodPeers() []string {
 	addrs := make([]string, 0, len(d.goodAddrs))
 	for addr := range d.goodAddrs {
@@ -125,7 +125,7 @@ func (d *DefaultDiscovery) GoodPeers() []string {
 }
 
 // RegisterGoodAddr registers good known connected address that passed
-// handshake successfuly.
+// handshake successfully.
 func (d *DefaultDiscovery) RegisterGoodAddr(s string) {
 	d.goodCh <- s
 }