further readme update

README.md

@@ -8,7 +8,7 @@ Users are strongly advised to evaluate the suitability of this list given their
 
 As of version 1.0.5 a runtime error will be raised if any of the user-supplied priority countries do not correlate with those in the main country list.
 
-*Note:* this may cause existing applications using *country-select* to fail, but such failures will highlight incorrect usage, enabling the implementation to be corrected so that correct and accurate data may be gathered.
+**Note:** this may cause existing applications using country-select to fail, but such failures will highlight incorrect usage, enabling the implementation to be corrected so that correct and accurate data may be gathered.
 
 Thanks to Steve Purcell (http://github.com/purcell) for this addition.
 
@@ -24,13 +24,19 @@ Or put the following in your Gemfile
 
 ## Example
 
+Simple use supplying model and attribute as parameters:
+
     country_select("user", "country_name")
 
+Supplying priority countries to be placed at the top of the list:
+
+    country_select("user", "country_name", [ "United Kingdom", "France", "Germany" ])
+
 ## Changelist
 
-*1.0.5* - runtime error raised if any priority countries do not match those in the main country list
-*1.0.4* - updated the country list to match the latest ISO 3166 specification
-*1.0.3* - changed gem name from 'iso-3166-country-select' to just 'country-select'
-*1.0.2* - forked the plugin and made it into a gem
+ - **1.0.5** - runtime error raised if any priority countries do not match those in the main country list
+ - **1.0.4** - updated the country list to match the latest ISO 3166 specification
+ - **1.0.3** - changed gem name from 'iso-3166-country-select' to just 'country-select'
+ - **1.0.2** - forked the plugin and made it into a gem
 
 Copyright (c) 2008 Michael Koziarski, released under the MIT license