diff --git a/README.md b/README.md
index 7f40e7d..6068d13 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,7 @@ This SDK is currently focused on interacting with the Itheum's Data NFT technolo
 
 ### Dev Testing
 
-- Only simple dev testing added. First **Build** as below and then run `npm run devtest` and work on the test.mjs file for live reload
+- Only simple dev testing added. First **Build** as below and then run `npm run test` and work on the test.mjs file for live reload
 
 ### Build
 
diff --git a/package-lock.json b/package-lock.json
index 02a6b36..d1afaba 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@itheum/sdk-mx-data-nft",
-  "version": "1.2.0",
+  "version": "2.0.0-alpha.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@itheum/sdk-mx-data-nft",
-      "version": "1.2.0",
+      "version": "2.0.0-alpha.1",
       "license": "GPL-3.0-only",
       "dependencies": {
         "@multiversx/sdk-core": "12.8.0",
@@ -19,7 +19,7 @@
         "jest": "29.7.0",
         "ts-jest": "29.1.1",
         "tslint": "6.1.3",
-        "typedoc": "^0.25.1",
+        "typedoc": "0.25.1",
         "typescript": "5.2.2"
       }
     },
diff --git a/package.json b/package.json
index c9bcd92..61ca6d2 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@itheum/sdk-mx-data-nft",
-  "version": "1.2.0",
+  "version": "2.0.0-alpha.1",
   "description": "SDK for Itheum's Data NFT Technology on MultiversX Blockchain",
   "main": "out/index.js",
   "types": "out/index.d.js",
diff --git a/src/marketplace.ts b/src/marketplace.ts
index 23c8660..84d24e8 100644
--- a/src/marketplace.ts
+++ b/src/marketplace.ts
@@ -64,7 +64,7 @@ export class DataNftMarket {
   }
 
   /**
-   * Retrives the address of the marketplace smart contract based on the environment
+   * Retrieves the address of the marketplace smart contract based on the environment
    */
   getContractAddress(): IAddress {
     return this.contract.getAddress();
@@ -222,7 +222,7 @@ export class DataNftMarket {
   }
 
   /**
-   * Retrives an array of `Offer` objects.
+   * Retrieves an array of `Offer` objects.
    */
   async viewOffers(): Promise<Offer[]> {
     const interaction = this.contract.methodsExplicit.getOffers();
diff --git a/src/minter.ts b/src/minter.ts
index 1382dd8..0e42d96 100644
--- a/src/minter.ts
+++ b/src/minter.ts
@@ -60,7 +60,7 @@ export abstract class Minter {
   }
 
   /**
-   * Retrives the address of the minter smart contract based on the environment
+   * Retrieves the address of the minter smart contract based on the environment
    */
   getContractAddress(): IAddress {
     return this.contract.getAddress();
@@ -158,7 +158,7 @@ export abstract class Minter {
   }
 
   /**
-   * Retrives a list of addresses that are frozen for collection
+   * Retrieves a list of addresses that are frozen for collection
    */
   async viewCollectionFrozenAddresses(): Promise<string[]> {
     const interaction = this.contract.methodsExplicit.getCollectionFrozenList();
@@ -184,7 +184,7 @@ export abstract class Minter {
   }
 
   /**
-   * Retrives a list of nonces that are frozen for address
+   * Retrieves a list of nonces that are frozen for address
    * @param address The address to check
    */
   async viewAddressFrozenNonces(address: IAddress): Promise<number[]> {
diff --git a/src/nft-minter.ts b/src/nft-minter.ts
index 810a142..2a2ec2d 100644
--- a/src/nft-minter.ts
+++ b/src/nft-minter.ts
@@ -100,14 +100,14 @@ export class NftMinter extends Minter {
   /**
    * Creates a updateAttributes transaction for the contract
    * @param senderAddress The address of the sender, must be the admin of the contract
-   * @param tokenIdentiifer The token identifier of the data nft to update attributes
+   * @param tokenIdentifier The token identifier of the data nft to update attributes
    * @param nonce The nonce of the token to update attributes
    * @param attributes The new attributes to update
    * @param quantity The quantity of the token to update attributes (default: 1)
    */
   updateAttributes(
     senderAddress: IAddress,
-    tokenIdentiifer: string,
+    tokenIdentifier: string,
     nonce: number,
     attributes: {
       dataMarshalUrl: string;
@@ -123,7 +123,7 @@ export class NftMinter extends Minter {
       value: 0,
       data: new ContractCallPayloadBuilder()
         .setFunction(new ContractFunction('ESDTNFTTransfer'))
-        .addArg(new TokenIdentifierValue(tokenIdentiifer))
+        .addArg(new TokenIdentifierValue(tokenIdentifier))
         .addArg(new U64Value(nonce))
         .addArg(new U64Value(quantity))
         .addArg(new AddressValue(this.contract.getAddress()))
@@ -485,7 +485,7 @@ export class NftMinter extends Minter {
   }
 
   /**
-   * Retrieves the addresss with update attributes roles for contract collection
+   * Retrieves the address with update attributes roles for contract collection
    */
   async viewUpdateAttributesRoles(): Promise<string[]> {
     const interaction =
diff --git a/src/sft-minter.ts b/src/sft-minter.ts
index 43b2db1..08c637e 100644
--- a/src/sft-minter.ts
+++ b/src/sft-minter.ts
@@ -5,7 +5,6 @@ import {
   ContractCallPayloadBuilder,
   ContractFunction,
   IAddress,
-  ResultsParser,
   StringValue,
   TokenIdentifierValue,
   Transaction,