README.md in decanter-1.0.3 vs README.md in decanter-1.1.4

@@ -38,10 +38,22 @@
   input :start_date, :date
   input :end_date, :date
 end
 ```
 
+By default, Decanter will use the [default parser](https://github.com/LaunchPadLab/decanter#default-parsers) that matches your input data type.
+
+```ruby
+  input :name, :string #=> StringParser
+```
+
+To reference a custom or modified parser,
+
+```ruby
+  input :name, :string, :custom_string_parser
+```
+
 In your controller:
 
 ```ruby
   def create
     @trip = Trip.decant_new(params[:trip])
@@ -488,6 +500,17 @@
 
 Decanter.configuration.strict = true
 ```
 
 Likewise, you can put the above code in a specific environment configuration.
+
+Decanter Exceptions
+---
+
+ - MissingRequiredInputValue
+
+  Raised when required inputs have been enabled, but provided arguments to `decant()` do not contain values for those required inputs.
+
+ - UnhandledKeysError
+
+  Raised when there are unhandled keys.