chore: fix typos & text style in unreleased CHANGELOG items [ci skip]

Author: Darep

CHANGELOG.md

@@ -16,13 +16,13 @@ See updating [Changelog example here](https://keepachangelog.com/en/1.0.0/)
 
 ### Changed
 
-- Bumb Go version to 1.14
+- bump Go version to 1.14
 - Converted API calls from XML to JSON
 - default zone from hel1 to hel2
 - only build PRs and merges to master
 - raise mininum required go version to 1.13
-- Changelog format to include different lists
-- Bumb UpCloud API from 1.2 to 1.3 and expand with new functionalities
+- changelog format to include different lists
+- bump UpCloud API from 1.2 to 1.3 and expand with new functionalities
 - Postman collection to UpCloud API 1.3 and JSON
 
 ### Removed