Update CHANGELOG and history

Author: mmistakes

CHANGELOG.md

@@ -4,6 +4,10 @@
 
 - Update list of 3rd party JavaScript used and licenses. [#2276](https://github.com/mmistakes/minimal-mistakes/pull/2276)
 
+### Bug Fixes
+
+- Fix indention of nested GFM task lists. [#2283](https://github.com/mmistakes/minimal-mistakes/issues/2283)
+
 ## [4.17.0](https://github.com/mmistakes/minimal-mistakes/releases/tag/4.17.0)
 
 ### Enhancements

docs/_docs/18-history.md

@@ -5,7 +5,7 @@ permalink: /docs/history/
 excerpt: "Change log of enhancements and bug fixes made to the theme."
 sidebar:
   nav: docs
-last_modified_at: 2019-10-17T20:12:39-04:00
+last_modified_at: 2019-10-17T20:16:25-04:00
 toc: false
 ---
 
@@ -15,6 +15,10 @@ toc: false
 
 - Update list of 3rd party JavaScript used and licenses. [#2276](https://github.com/mmistakes/minimal-mistakes/pull/2276)
 
+### Bug Fixes
+
+- Fix indention of nested GFM task lists. [#2283](https://github.com/mmistakes/minimal-mistakes/issues/2283)
+
 ## [4.17.0](https://github.com/mmistakes/minimal-mistakes/releases/tag/4.17.0)
 
 ### Enhancements