Fix CHANGELOG to align cross projects description

Author: maurizp

CHANGELOG.md

@@ -11,7 +11,7 @@ This file is used to list changes made in each version of the aws-parallelcluste
 - Add validators to prevent malicious string injection while calling the subprocess module.
 
 **BUG FIXES**
-- Fix an issue in clustermgtd that caused compute nodes rebooted via Slurm to be treated as unhealthy if the EC2 instance status checks fail.
+- Fix an issue in clustermgtd that caused compute nodes rebooted via Slurm to be replaced if the EC2 instance status checks fail.
 
 3.4.1
 ------