Fix wrong changelog

Signed-off-by: Taeik Lim <sibera21@gmail.com>

Author: acktsap

CHANGELOG.md

@@ -23,7 +23,7 @@ Support for Spring Batch 5.2.x
 
 #### New Features
 
-- Add adapter for processor-writer pair
+- Add adapter for reader processor pair
 
 #### Changes