Merge pull request #387 from joeldenning/patch-1

Improve documentation for conditional compilation

Author: vladikoff

README.md

@@ -414,9 +414,9 @@ grunt.initConfig({
 
 #### Conditional compilation
 
-You can also enable UglifyJS conditional compilation. This is commonly used to remove debug code blocks for production builds.
+You can also enable UglifyJS conditional compilation . This is commonly used to remove debug code blocks for production builds.
 
-See [UglifyJS global definitions documentation](http://lisperator.net/uglifyjs/compress#global-defs) for more information.
+See [UglifyJS global definitions documentation](http://lisperator.net/uglifyjs/compress#global-defs) for more information. This is equivalent to the command line [`--define` option](https://github.com/mishoo/UglifyJS#use-as-a-code-pre-processor).
 
 ```js
 // Project configuration.