Update README.md

Author: artunit

README.md

@@ -3,17 +3,9 @@ This repository contains ALTO schema versions - drafts and final released ones.
 
 All open issues and discussions about changes to the ALTO standard can be found and tracked in the [issues](https://github.com/altoxml/schema/issues) repository
 
-Latest official schema version is 4.1.<br>
-Primary source for the schema is (http://www.loc.gov/standards/alto/v4/alto-4-1.xsd)<br>
-Alternate source for the schema is (https://cdn.rawgit.com/altoxml/schema/master/v4/alto-4-1.xsd)<br>
-
-Summary of changes
-
-* Changed schema version to 4.1
-* Fix for Processing including  processingStepType.
-* Add missing PROCESSINGREFS to PageType, PageSpaceType, BlockType, TextLine, StringType for referencing Processing history.
-
-Draft schema version is 4.2 available for comment
+Latest official schema version is 4.2.<br>
+Primary source for the schema is (http://www.loc.gov/standards/alto/v4/alto-4-2.xsd)<br>
+Alternate source for the schema is (https://cdn.rawgit.com/altoxml/schema/master/v4/alto-4-2.xsd)<br>
 
 Summary of proposed changes