diff --git a/_config.yml b/_config.yml
index dad6b74edf3da..38219d70fdee1 100644
--- a/_config.yml
+++ b/_config.yml
@@ -79,8 +79,8 @@ gems:
 
 # Exclude these files from your production _site
 exclude:
-    - Gemfile
-    - Gemfile.lock
-    - LICENSE
-    - README.md
-    - CNAME
+  - Gemfile
+  - Gemfile.lock
+  - LICENSE
+  - README.md
+  - CNAME