Merge pull request #14 from chulkilee/fix-readme

Fix output_files option in README

Author: Neil Matatall

README.md

@@ -53,7 +53,7 @@ Please read the [Guard documentation](http://github.com/guard/guard#readme) for
 ### List of available options
 
 ```ruby
-:output_file    => 'donkey.html' # write the results to the specified file
+:output_files   => %w(donkey.html) # write the results to the specified files
 :notifications  => false    # display Growl notifications, defaults to true
 :run_on_start   => true     # run all checks on startup, defaults to false
 :min_confidence => 3        # only alert on warnings above a threshold, defaults to 1
@@ -128,4 +128,4 @@ MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
 CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
-SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.