update warning message into warn

README.md

@@ -43,7 +43,7 @@ and later add it to your HTML:
 
 Acho exports itself according to UMD best practices, which means that no matter where you are using the library, you get a version tailored for your environment.
 
-If you're using a module loader (or Node), simple require the library as you would any other module.  
+If you're using a module loader (or Node), simple require the library as you would any other module.
 
 If you're using a browser, the library falls back to attaching itself to window as the global `Acho`.
 
@@ -128,12 +128,12 @@ You can completely customize the library to your requirements: changes colors, a
 Establishing the loglevel is a good way to filter out undesired information from output. The available levels are:
 
 - `error`:   Display calls to `.error()` messages.
-- `warning`: Display calls from `.error()`, `.warning()` messages.
-- `success`: Display calls from `.error()`, `.warning()`, `success()` messages.
-- `info`:    Display calls from `.error()`, `.warning()`, `success()`, `info()` messages.
-- `verbose`: Display calls from `.error()`, `.warning()`, `success()`, `info()`, `verbose()` messages.
-- `debug`:   Display calls from `.error()`, `.warning()`, `success()`, `info()`, `verbose()`, `debug()` messages.
-- `silly`:   Display calls from `.error()`, `.warning()`, `success()`, `info()`, `verbose()`, `debug()`, `silly()` messages.
+- `warn`: Display calls from `.error()`, `.warn()` messages.
+- `success`: Display calls from `.error()`, `.warn()`, `success()` messages.
+- `info`:    Display calls from `.error()`, `.warn()`, `success()`, `info()` messages.
+- `verbose`: Display calls from `.error()`, `.warn()`, `success()`, `info()`, `verbose()` messages.
+- `debug`:   Display calls from `.error()`, `.warn()`, `success()`, `info()`, `verbose()`, `debug()` messages.
+- `silly`:   Display calls from `.error()`, `.warn()`, `success()`, `info()`, `verbose()`, `debug()`, `silly()` messages.
 - `silent`:  Avoid all output.
 
 The default log level is `info`. You can define it in the the constructor:
@@ -205,9 +205,9 @@ Store a message of given `type` internally and also output it.
 
 Output a `error` message.
 
-### .warning({String} <message>)
+### .warn({String} <message>)
 
-Output a `warning` message.
+Output a `warn` message.
 
 ### .success({String} <message>)
 

lib/Acho.coffee

@@ -5,6 +5,7 @@ DEFAULT = require './Default'
 exists  = require 'existential-default'
 
 module.exports = class Acho
+
   constructor: (options = {}) ->
     @color = exists options.color, DEFAULT.COLOR
     @level = exists options.level, DEFAULT.LEVEL
@@ -34,8 +35,8 @@ module.exports = class Acho
     @printLine 'error', message
     this
 
-  warning: (message) ->
-    @printLine 'warning', message
+  warn: (message) ->
+    @printLine 'warn', message
     this
 
   success: (message) ->

lib/Default.coffee

@@ -15,7 +15,7 @@ module.exports =
     error:
       level : 0
       color : 'red'
-    warning:
+    warn:
       level : 1
       color : 'yellow'
     success:

test/test.coffee

@@ -21,7 +21,7 @@ describe 'Acho ::', ->
     @acho.messages.error.length.should.be.equal 2
 
   it 'print a normal message', ->
-    @acho.warning 'warning message'
+    @acho.warn 'warn message'
 
   it 'change the color behavior',  ->
     @acho.types.error.color = 'red bold'
@@ -36,7 +36,7 @@ describe 'Acho ::', ->
   describe 'default colors ::', ->
     acho = new Acho level:'silly', color: true
     acho.error 'error message'
-    acho.warning 'warning message'
+    acho.warn 'warn message'
     acho.success 'success message'
     acho.info 'info message'
     acho.verbose 'verbose message'