Update changelog entry

Author: EmilianoSanchez

CHANGES.txt

@@ -1,5 +1,5 @@
 1.18.0 (September XX, 2024)
- - Added `factory.destroy()` method, as a shortcut to destroy all SDK clients created by the factory.
+ - Added `factory.destroy()` method, which invokes the `destroy` method on all SDK clients created by the factory.
 
 1.17.0 (September 6, 2024)
  - Added `sync.requestOptions.getHeaderOverrides` configuration option to enhance SDK HTTP request Headers for Authorization Frameworks.