mruby/mruby — pull request #1414 by suzukaze (2013-07-26 14:31:23+00:00)
Title: I correct the mistakes of grammer in README.md. 

'update' word is an countable noun.
This is:
http://www.ldoceonline.com/dictionary/update_2

This sentence starts with 'Please'. That is because I prefer a polite language than an imperative form.