Fix Jekyll environment note in configuration documentation

Close #2912

CHANGELOG.md

@@ -12,6 +12,7 @@
 
 ### Bug Fixes
 
+- Fix Jekyll environment note in configuration documentation. [#2912](https://github.com/mmistakes/minimal-mistakes/issues/2912)
 - Fix typo in Helpers documentation. [#2940](https://github.com/mmistakes/minimal-mistakes/pull/2940)
 - Remove all references to official public Staticman API instance. [#2818](https://github.com/mmistakes/minimal-mistakes/issues/2818) [#2831](https://github.com/mmistakes/minimal-mistakes/pull/2831)
 - Remove Google Search CSS. [#2852](https://github.com/mmistakes/minimal-mistakes/issues/2852) [#2855](https://github.com/mmistakes/minimal-mistakes/pull/2855)

docs/_docs/05-configuration.md

@@ -2,7 +2,7 @@
 title: "Configuration"
 permalink: /docs/configuration/
 excerpt: "Settings for configuring and customizing the theme."
-last_modified_at: 2020-08-04T11:26:21-04:00
+last_modified_at: 2021-05-11T10:40:42-04:00
 toc: true
 ---
 
@@ -161,7 +161,7 @@ The base hostname and protocol for your site. If you're hosting with GitHub Page
 
 GitHub Pages now [forces `https://` for new sites](https://help.github.com/articles/securing-your-github-pages-site-with-https/) so be mindful of that when setting your URL to avoid mixed-content warnings.
 
-**Note:** Jekyll 3.3 overrides this value with `url: http://localhost:4000` when running `jekyll serve` locally in development. If you want to avoid this behavior set `JEKYLL_ENV=production` to [force the environment](http://jekyllrb.com/docs/configuration/#specifying-a-jekyll-environment-at-build-time) to production.
+**Note:** Jekyll 3.3 overrides this value with `url: http://localhost:4000` when running `jekyll serve` locally in development. If you want to avoid this behavior set `JEKYLL_ENV=production` to [force the environment](https://jekyllrb.com/docs/configuration/environments/) to production.
 {: .notice--warning}
 
 ### Site base URL

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: 2021-05-11T10:31:28-04:00
+last_modified_at: 2021-05-11T10:41:54-04:00
 toc: false
 ---
 
@@ -23,6 +23,7 @@ toc: false
 
 ### Bug Fixes
 
+- Fix Jekyll environment note in configuration documentation. [#2912](https://github.com/mmistakes/minimal-mistakes/issues/2912)
 - Fix typo in Helpers documentation. [#2940](https://github.com/mmistakes/minimal-mistakes/pull/2940)
 - Remove all references to official public Staticman API instance. [#2818](https://github.com/mmistakes/minimal-mistakes/issues/2818) [#2831](https://github.com/mmistakes/minimal-mistakes/pull/2831)
 - Remove Google Search CSS. [#2852](https://github.com/mmistakes/minimal-mistakes/issues/2852) [#2855](https://github.com/mmistakes/minimal-mistakes/pull/2855)