README.rdoc in revs-utils-1.0.20 vs README.rdoc in revs-utils-1.0.21

@@ -22,9 +22,10 @@
 - <b>1.0.10</b> Update valid for metadata method so it is not sensitive to blank or uppercase columns
 - <b>1.0.11</b> Fix issues with year parsing
 - <b>1.0.12</b> Allow two digit years in year formatting
 - <b>1.0.19</b> Display output showing reasons for validation failures when checking manifests
 - <b>1.0.20</b> Allow for optional metadata columns in the manifest
+- <b>1.0.21</b> Add more information when sourceIDs are not unique
 
 == Running tests
 
 bundle exec rspec spec