README.md in scripterator-0.1.1 vs README.md in scripterator-1.0.0

@@ -22,10 +22,11 @@
 Works with ActiveRecord 3.* (Rails 4 support coming).
 
 ## Usage
 
 Create a .rb file with your script code:
+
 ```ruby
 Scripterator.run "Convert users from legacy auth data" do
 
   before do
     User.skip_some_callbacks_we_want_to_avoid_during_script_running
@@ -60,10 +61,14 @@
 Total rows migrated: 34903 / 34903
 0 rows previously migrated and skipped
 0 errors
 ```
 
+Or, instead of a range, pass in the specific IDs you want to run against:
+
+    $ ID_LIST=1,2,100,999 bundle exec rails runner my_script.rb >out.txt
+
 Retrieve set information about checked and failed records:
 
 ```
 > Scripterator.failed_ids_for "Convert users from legacy auth data"
 => [14011, 15634, 17301, 17302]
@@ -86,9 +91,10 @@
 
 Environment variable options:
 
 - `START`: first model ID to scripterate
 - `END`: last model ID to scripterate
+- `ID_LIST`: comma-delimited list of IDs to scripterate (e.g. "ID_LIST=1,99,440,23")
 - `REDIS_EXPIRATION`: amount of time (in seconds) before Redis result sets (checked IDs and failed IDs) are expired
 
 Either a starting or an ending ID must be provided.
 
 ## Configuration