README.md in strong_migrations-0.1.2 vs README.md in strong_migrations-0.1.3

@@ -29,11 +29,11 @@
 - [Rails Migrations with No Downtime](http://pedro.herokuapp.com/past/2011/7/13/rails_migrations_with_no_downtime/)
 - [Safe Operations For High Volume PostgreSQL](https://www.braintreepayments.com/blog/safe-operations-for-high-volume-postgresql/) (if it’s relevant)
 
 Also checks for best practices:
 
-- keeping indexes under three columns
+- keeping indexes to three columns or less
 
 ## The Zero Downtime Way
 
 ### Adding a column with a default value
 
@@ -131,9 +131,17 @@
 class MySafeMigration < ActiveRecord::Migration
   def change
     safety_assured { remove_column :users, :some_column }
   end
 end
+```
+
+## Production
+
+Dangerous rake tasks are disabled in production - `db:drop`, `db:reset`, `db:schema:load`, and `db:structure:load`. To get around this, use:
+
+```sh
+SAFETY_ASSURED=1 rake db:drop
 ```
 
 ## Credits
 
 Thanks to Bob Remeika and David Waller for the [original code](https://github.com/foobarfighter/safe-migrations).