diff --git a/src/model/transaction/AccountRestrictionTransaction.ts b/src/model/transaction/AccountRestrictionTransaction.ts
index d978499184..de4968313f 100644
--- a/src/model/transaction/AccountRestrictionTransaction.ts
+++ b/src/model/transaction/AccountRestrictionTransaction.ts
@@ -102,7 +102,7 @@ export class AccountRestrictionTransaction {
     ): AccountOperationRestrictionTransaction {
         if (![AccountRestrictionType.AllowIncomingTransactionType,
               AccountRestrictionType.AllowOutgoingTransactionType,
-              AccountRestrictionType.BlockOutgoingTransactionType,
+              AccountRestrictionType.BlockIncomingTransactionType,
               AccountRestrictionType.BlockOutgoingTransactionType].includes(restrictionType)) {
             throw new Error ('Restriction type is not allowed.');
         }
diff --git a/src/model/transaction/AddressAliasTransaction.ts b/src/model/transaction/AddressAliasTransaction.ts
index 3f75b23661..4850fc2e0f 100644
--- a/src/model/transaction/AddressAliasTransaction.ts
+++ b/src/model/transaction/AddressAliasTransaction.ts
@@ -93,7 +93,7 @@ export class AddressAliasTransaction extends Transaction {
                  */
                 public readonly namespaceId: NamespaceId,
                 /**
-                 * The mosaic id.
+                 * The address.
                  */
                 public readonly address: Address,
                 signature?: string,
diff --git a/test/model/transaction/AccountRestrictionTransaction.spec.ts b/test/model/transaction/AccountRestrictionTransaction.spec.ts
index 61a00df454..a896008204 100644
--- a/test/model/transaction/AccountRestrictionTransaction.spec.ts
+++ b/test/model/transaction/AccountRestrictionTransaction.spec.ts
@@ -16,11 +16,11 @@
 
 import {expect} from 'chai';
 import {Account} from '../../../src/model/account/Account';
-import { AccountRestrictionModificationAction } from '../../../src/model/restriction/AccountRestrictionModificationAction';
-import { AccountRestrictionType } from '../../../src/model/restriction/AccountRestrictionType';
 import {Address} from '../../../src/model/account/Address';
 import {NetworkType} from '../../../src/model/blockchain/NetworkType';
 import {MosaicId} from '../../../src/model/mosaic/MosaicId';
+import { AccountRestrictionModificationAction } from '../../../src/model/restriction/AccountRestrictionModificationAction';
+import { AccountRestrictionType } from '../../../src/model/restriction/AccountRestrictionType';
 import { AccountRestrictionModification } from '../../../src/model/transaction/AccountRestrictionModification';
 import {AccountRestrictionTransaction} from '../../../src/model/transaction/AccountRestrictionTransaction';
 import {Deadline} from '../../../src/model/transaction/Deadline';