diff --git a/example/avatax.rb b/example/avatax.rb
index d48c9c7..f5fa3f5 100644
--- a/example/avatax.rb
+++ b/example/avatax.rb
@@ -21,27 +21,27 @@
 # puts @client.query_companies
 
 createTransactionModel = {
-  type: 'SalesInvoice',
-  companyCode: '12670',
-  date: '2017-06-05',
-  customerCode: 'ABC',
-  "addresses": {
-    "ShipFrom": {
-      "line1": "123 Main Street",
-      "city": "Irvine",
-      "region": "CA",
-      "country": "US",
-      "postalCode": "92615"
+  "type" => 'SalesInvoice',
+  "companyCode" => '12670',
+  "date" => '2017-06-05',
+  "customerCode" => 'ABC',
+  "addresses" => {
+    "ShipFrom" => {
+      "line1" => "123 Main Street",
+      "city" => "Irvine",
+      "region" => "CA",
+      "country" => "US",
+      "postalCode" => "92615"
     },
-    "ShipTo": {
-      "line1": "100 Market Street",
-      "city": "San Francisco",
-      "region": "CA",
-      "country": "US",
-      "postalCode": "94105"
+    "ShipTo" => {
+      "line1" => "100 Market Street",
+      "city" => "San Francisco",
+      "region" => "CA",
+      "country" => "US",
+      "postalCode" => "94105"
     }
   },
-  lines: [{amount: 100}]
+  "lines" => [ { "amount" => 100 }]
 }
 transaction = @client.create_transaction(createTransactionModel)
 puts JSON.pretty_generate(transaction)