diff --git a/activerecord/lib/active_record/persistence.rb b/activerecord/lib/active_record/persistence.rb
index 069bd75a718def023781c7c5569d084b4db55996..72ccf7739fa3695221fe076a0c1c236fe83e8aae 100644
--- a/activerecord/lib/active_record/persistence.rb
+++ b/activerecord/lib/active_record/persistence.rb
@@ -173,7 +173,7 @@ def insert!(attributes, returning: nil)
       #     { title: 'Eloquent Ruby', author: 'Russ' }
       #   ])
       #
-      #   # raises ActiveRecord::RecordNotUnique beacuse 'Eloquent Ruby'
+      #   # raises ActiveRecord::RecordNotUnique because 'Eloquent Ruby'
       #   # does not have a unique ID
       #   Book.insert_all!([
       #     { id: 1, title: 'Rework', author: 'David' },