Fix typos (#212)

Typos found via `typos --format brief`

Author: kianmeng

CHANGELOG.md

@@ -45,7 +45,7 @@
 - Fix Faraday warning: `WARNING: Faraday::Request#method is deprecated` (#191 fwininger)
 
 # 2.4.1 (2020-06-23)
-- Fix inadvertant ActiveSupport dependecy (#189 taylorthurlow)
+- Fix inadvertent ActiveSupport dependency (#189 taylorthurlow)
 
 # 2.4.0 (2020-05-05)
 - Improved support for Rails 6.0 (#179 taylorthurlow, #177 fwininger)