diff --git a/doc/ReleaseNotes b/doc/ReleaseNotes
index 8541c7a..f29bc09 100644
--- a/doc/ReleaseNotes
+++ b/doc/ReleaseNotes
@@ -1,9 +1,10 @@
 utf8 cpp library
-Release 2.1
+Release 2.2
 
-This is a minor feature release - added the function peek_next. 
+This is a feature release. 
 
-Changes from version 2.o
-- Implemented feature request [ 1770746 ] "Provide a const version of next() (some sort of a peek() )
+Changes from version 2.1
+- Implemented feature request [ 2515238 ] "Conflicting ENUM value"
+- Changed internal implementation to allow use of input iterators (as opposed to bidirectional) where it is possible.
 
 Files included in the release: utf8.h, core.h, checked.h, unchecked.h, utf8cpp.html, ReleaseNotes