diff --git a/readme.md b/readme.md
index 46813ac..580d4a0 100644
--- a/readme.md
+++ b/readme.md
@@ -49,7 +49,7 @@ console.log(  chalk.red('Hello', chalk.underline.bgBlue('world') + '!')  );
 console.log(  chalk.blue('Hello', 'World!', 'Foo', 'bar', 'biz', 'baz')  );
 ```
 
-You can easily define your own themes.
+Easily define your own themes.
 
 ```js
 var chalk = require('chalk');
@@ -57,6 +57,14 @@ var error = chalk.bold.red;
 console.log(error('Error!'));
 ```
 
+Take advantage of console.log [string substitution](http://nodejs.org/docs/latest/api/console.html#console_console_log_data).
+
+```js
+var name = 'Sindre';
+console.log(chalk.green('Hello %s'), name);
+//=> Hello Sindre
+```
+
 
 ## API