fixed linting

lib/custom_wizard/field.rb

@@ -8,7 +8,7 @@ class CustomWizard::Field
   # number:      3
   # title:       Add the field name to attribute map
   # description: The attribute map serves as a global registry for field attributes. Set the
-  #              key as the attribute name and value as an array of properties. Use the properties according to the 
+  #              key as the attribute name and value as an array of properties. Use the properties according to the
   #              your usecase. Here's a list and description of each of the properties.
   #              accessible: The attribute is passed to attr_accessor
   #              serializable: The attribute is serialized to the client