diff --git a/activerecord/lib/active_record/transactions.rb b/activerecord/lib/active_record/transactions.rb
index 654c475aed77e647a7c7c79cbb556d25c621477c..181280baaa992476dd0caaf094dcee72ceb99c3a 100644
--- a/activerecord/lib/active_record/transactions.rb
+++ b/activerecord/lib/active_record/transactions.rb
@@ -141,7 +141,8 @@ class TransactionError < ActiveRecordError # :nodoc:
     #     end
     #   end
     #
-    #   User.find(:all)  # => empty
+    #   User.find(:all)  # => Return both Kotori and Nemu, because inner transaction do not rollback
+    #                    # without :requiers_new => true option, and Rollback exception do not reraise
     #
     # It is also possible to requires a sub-transaction by passing
     # <tt>:requires_new => true</tt>. If anything goes wrong, the