README.md in active_mocker-2.4.0.pre5 vs README.md in active_mocker-2.4.0

@@ -194,18 +194,43 @@
 Use theses defaults if you are starting fresh
 
 ```ruby
 ActiveMocker::LoadedMocks.features.enable(:timestamps)
 ActiveMocker::LoadedMocks.features.enable(:delete_all_before_example)
+ActiveMocker::LoadedMocks.features.enable(:stub_active_record_exceptions)
 ```
 
 ### timestamps
-Enables created_at and updated_at to be update on save and create
 
+  Enables created_at and updated_at to be update on save and create
+
 ### delete_all_before_example
-When using "active_mocker/rspec_helper" it delete all records from all mocks before each example.
 
+  When using "active_mocker/rspec_helper" it delete all records from all mocks before each example.
+
+### stub_active_record_exceptions
+
+  When requiring "active_mocker/rspec_helper", and adding `active_mocker: true` to the describe metadata, these errors will be auto stubbed:
+  
+  * ActiveRecord::RecordNotFound
+  * ActiveRecord::RecordNotUnique
+  * ActiveRecord::UnknownAttributeError
+    
+### Copy over Mock safe methods into the generated mock
+  
+  Adding the comment `ActiveMocker.safe_methods` at the top of a class marks it as safe to copy to the mock.
+  Be careful that it does not contain anything that ActiveMocker cannot run.
+  
+  ```ruby
+  # ActiveMocker.safe_methods :full_name
+  class User
+    def full_name
+      "#{first_name} + #{last_name}
+    end
+  end
+  ```
+
 ## Mocking Methods
 
 #### Rspec 3 Mocks - verify double
 Verifying doubles are a stricter alternative to normal doubles that provide guarantees about
 what is being verified. When using verifying doubles, RSpec will check that the methods
@@ -380,10 +405,9 @@
   * build_< association >
   * create_< association >
   * create_< association >!
   * < association >.create
   * < association >.build
-  
 
 ### Schema/Migration Option Support
 * A db/schema.rb is not required.
 * All schema types are supported and coerced by [Virtus](https://github.com/solnic/virtus). If coercion fails the passed value will be retained.
 * Default value is supported.