Update CHANGELOG.md

Author: aroraharsh23

CHANGELOG.md

@@ -5,7 +5,7 @@ All notable changes to this project will be documented in this file.
 ## [1.4.4] - 2020-06-15
 ### Added
  - SSLvserver metrics
- - New Label "citrix_server_name" for configured servicegroups under "services" stats.
+ - New Label "citrixadc_server_name" for configured servicegroups under "services" stats.
  - Bug Fix for serial ADC connection 
  - Added package "iputils" in container image for debugging at runtime