diff --git a/lib/jekyll/document.rb b/lib/jekyll/document.rb
index 28d19478..248e6d15 100644
--- a/lib/jekyll/document.rb
+++ b/lib/jekyll/document.rb
@@ -207,7 +207,7 @@ module Jekyll
           "path"          => path,
           "relative_path" => relative_path,
           "url"           => url,
-          "collection"         => collection.label
+          "collection"    => collection.label
         }
       else
         data