README.md in parse-cron-ext-0.1.2 vs README.md in parse-cron-ext-0.2.0

@@ -1,6 +1,8 @@
 # parse-cron-ext
+[![Gem Version](https://badge.fury.io/rb/parse-cron-ext.svg)](https://badge.fury.io/rb/parse-cron-ext)
+[![MIT License](http://img.shields.io/badge/license-MIT-blue.svg?style=flat)](LICENSE)
 
 parse-cron-ext is a extension (monkey-patch) for parse-cron 0.1.4, which is the latest version.  
 siebertm/parse-cron: https://github.com/siebertm/parse-cron
 
 Warning:   
@@ -21,12 +23,13 @@
 
     $ gem install parse-cron-ext
 
 ## Usage
  These notations are inspired by [AWS Cron Expressions](https://docs.aws.amazon.com/AmazonCloudWatch/latest/events/ScheduledEvents.html).
- 
-
+  
+    
+You can express...
 ### End of the month by using L notation
  ```ruby
    cron_parser = CronParser.new('0 9 L * *')
 
    time = Time.local(2022, 1, 16, 12, 0)
@@ -59,11 +62,23 @@
    # second sunday in march
    cron_parser = CronParser.new('0 9 * 3 SUN#2')
 
    time = Time.local(2022, 1, 3, 12, 0)
    cron_parser.next(time)
-   # => 2022-03-31 09:00
+   # => 2022-03-13 09:00
  ```
+ 
+ 
+### Weekday by using W notation
+ ```ruby
+   # next weekday
+   cron_parser = CronParser.new('0 0 * * W')
+
+   time = Time.local(2022, 2, 11, 12, 0)
+   cron_parser.next(time)
+   # => 2022-02-14 00:00
+ ```
+https://www.timeanddate.com/calendar/
 
 ## Development
 
 After checking out the repo, run `bin/setup` to install dependencies. Then, run `rake spec` to run the tests. You can also run `bin/console` for an interactive prompt that will allow you to experiment.