Fix typo in changelog files (#1966)

Author: stof

CHANGELOG.md

@@ -5,7 +5,7 @@
 ### Changed
 
 - AWS enhancement: Documentation updates.
-- Apply no CodingStandard from latest php-cs-fixer.
+- Apply new CodingStandard from latest php-cs-fixer.
 
 ## 2.7.1