README.md in usable-3.1.0 vs README.md in usable-3.2.0

@@ -73,13 +73,13 @@
   extend Usable
   config.language = :en
   config do
     country 'US'
     state 'Hawaii'
-    spec :census, {
+    census({
       population: 1_400_00,
-      daily_visitors:  218_150
-    }
+      daily_visitors: 218_150
+    })
   end
 end
 
 Model.usable Mixin
 Model.usables[:state]                 # => 'Hawaii'