Docs: use plugins config key (jekyll#115)

Pilabio · jekyllbot · commit e48150ee6524 · 2017-11-11T10:28:38.000-05:00
Merge pull request 115
diff --git a/docs/README.md b/docs/README.md
@@ -17,16 +17,18 @@ Jekyll plugin to propagate the `site.github` namespace and set default values fo
 Usage of this gem is pretty straight-forward. Add it to your bundle like this:
 
 ```ruby
-gem 'jekyll-github-metadata'
+gem "jekyll-github-metadata"
 ```
 
 Now add it to your `_config.yml`:
 
 ```yaml
-gems:
-  - jekyll-github-metadata
+plugins:
+  - "jekyll-github-metadata"
 ```
 
+:warning:If you are using Jekyll < 3.5.0 use the gems key instead of plugins.
+
 Then go ahead and run `bundle install`. Once you've done that jekyll-github-metadata will run when you run Jekyll.
 
 
