fix jetton sample (#742)

#637

Co-authored-by: Aliaksandr Bahdanau <a.bahdanau@pixelplex.io>

docs/develop/dapps/asset-processing/jettons.md

@@ -122,20 +122,21 @@ the `Jetton master contract` provides the get method `get_wallet_address(slice o
 <TabItem value="js" label="js">
 
 ```js
-import TonWeb from "tonweb";
+import TonWeb from 'tonweb';
 const tonweb = new TonWeb();
-const jettonMinter = new TonWeb.token.jetton.JettonMinter(tonweb.provider, {address: "<JETTON_MASTER_ADDRESS>"});
-const address = await jettonMinter.getJettonWalletAddress(new TonWeb.utils.Address("<OWNER_WALLET_ADDRESS>"));
+const jettonMinter = new TonWeb.token.jetton.JettonMinter(tonweb.provider, { address: '<JETTON_MASTER_ADDRESS>' });
+const jettonWalletAddress = await jettonMinter.getJettonWalletAddress(new TonWeb.utils.Address('<OWNER_WALLET_ADDRESS>'));
+
 // It is important to always check that wallet indeed is attributed to desired Jetton Master:
 const jettonWallet = new TonWeb.token.jetton.JettonWallet(tonweb.provider, {
   address: jettonWalletAddress
 });
 const jettonData = await jettonWallet.getData();
-if (jettonData.jettonMinterAddress.toString(false) !== new TonWeb.utils.Address(info.address).toString(false)) {
+if (jettonData.jettonMinterAddress.toString(false) !== jettonMinter.address.toString(false)) {
   throw new Error('jetton minter address from jetton wallet doesnt match config');
 }
 
-console.log('Jetton wallet address:', address.toString(true, true, true));
+console.log('Jetton wallet address:', jettonWalletAddress.toString(true, true, true));
 ```
 
 </TabItem>