README.md in ntq_excelsior-0.4.0 vs README.md in ntq_excelsior-0.4.1

@@ -85,11 +85,11 @@
 ### Import
 
 ```ruby
 class UserImporter < NtqExcelsior::Importer
 
-  model_klass User
+  model_klass "User"
 
   primary_key :id
 
   schema({
     email: 'Email',
@@ -110,9 +110,14 @@
       record.first_name = line[:first_name]
       record.last_name = line[:last_name]
     end
   end
 end
+
+importer = UserImporter.new
+importer.file = file
+result = importer.import
+# { success_count: 2, error_lines: [] }
 ```
 
 ## Development
 
 After checking out the repo, run `bin/setup` to install dependencies. Then, run `rake spec` to run the tests. You can also run `bin/console` for an interactive prompt that will allow you to experiment.