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-rw-r--r--guides/source/active_record_callbacks.md2
1 files changed, 1 insertions, 1 deletions
diff --git a/guides/source/active_record_callbacks.md b/guides/source/active_record_callbacks.md
index 01401cc340..2e70e64b39 100644
--- a/guides/source/active_record_callbacks.md
+++ b/guides/source/active_record_callbacks.md
@@ -343,7 +343,7 @@ By using the `after_commit` callback we can account for this case.
```ruby
class PictureFile < ActiveRecord::Base
- after_commit :delete_picture_file_from_disk, :on => [:destroy]
+ after_commit :delete_picture_file_from_disk, on: [:destroy]
def delete_picture_file_from_disk
if File.exist?(filepath)