Add text for attention

Author: domitry

README.md

@@ -9,7 +9,7 @@ Nyaplot is a compound word from 'Nya' and 'plot.' The word 'Nya' comes from an o
 
 This software has been developed as a product in Google Summer of Code 2014 (GSoC2014). Visit the [website]((http://sciruby.com/blog/)) or [mailing list](https://groups.google.com/forum/#!forum/sciruby-dev) of SciRuby to see the progress of this project.
 
-**Attention: Nyaplot works with IRuby v0.1.13 or up. If you had installed IRuby before, please update it.**
+**Attention: Nyaplotjs was banned by rawgit.js and nyaplot v0.1.3 was released to fix that. Please update your nyaplot and re-excute each notebooks.**
 
 ## Demo