README.md in preservation-client-3.3.0 vs README.md in preservation-client-3.3.1

@@ -1,7 +1,7 @@
 [![Gem Version](https://badge.fury.io/rb/preservation-client.svg)](https://badge.fury.io/rb/preservation-client)
-[![Build Status](https://travis-ci.org/sul-dlss/preservation-client.svg?branch=master)](https://travis-ci.org/sul-dlss/preservation-client)
+[![CircleCI](https://circleci.com/gh/sul-dlss/preservation-client.svg?style=svg)](https://circleci.com/gh/sul-dlss/preservation-client)
 [![Maintainability](https://api.codeclimate.com/v1/badges/00d2d8957226777105b3/maintainability)](https://codeclimate.com/github/sul-dlss/preservation-client/maintainability)
 [![Test Coverage](https://api.codeclimate.com/v1/badges/00d2d8957226777105b3/test_coverage)](https://codeclimate.com/github/sul-dlss/preservation-client/test_coverage)
 
 # preservation-client
 
@@ -89,9 +89,13 @@
 - `client.objects.signature_catalog('oo000oo0000')` - returns latest Moab::SignatureCatalog from Moab
 
 ### Retrieve the primary moab storage location
 
 - `client.objects.primary_moab_location(druid: 'ooo000oo0000')` - returns the path to the storage location for the primary moab
+
+### Validate the Moab
+
+- `client.objects.validate_moab(druid: 'ooo000oo0000')` - validates that the Moab object, used by preservationWF to ensure we have a valid Moab before replicating to various preservation endpoints
 
 ### Get difference information between passed contentMetadata.xml and files in the Moab
 
 - `client.objects.content_inventory_diff(druid: 'oo000oo0000', content_metadata: '<contentMetadata>...</contentMetadata>')` - returns Moab::FileInventoryDifference containing differences between passed content metadata and latest version for subset 'all'
   - you may specify the subset (all|shelve|preserve|publish) and/or the version: