ruby 1.9.3 (#191) note

Author: gauteh

Mac-OSX.md

@@ -1,6 +1,6 @@
 ## Ruby Gems
 
-Ensure Ruby and [[RubyGems]] are [upgraded](http://www.google.com/search?q=mac+os+x+upgrade+ruby+gems). And that you have a recent ncurses installed (see below), make sure your ruby version is supported by sup.
+Ensure Ruby and [[RubyGems]] are [upgraded](http://www.google.com/search?q=mac+os+x+upgrade+ruby+gems). And that you have a recent ncurses installed (see below), make sure your ruby version is supported by sup (_currently Ruby version 2.0 has [problems](https://github.com/sup-heliotrope/sup/issues/191), use Ruby 1.9.3_).
 
 Then install the sup gem:
 ```
@@ -24,6 +24,7 @@ A useful tutorial for setting up homebrew with rvm and everything can be found a
 
 ### Troubleshooting ncurses issues
 * Make sure you have no other ncurses gems installed ([#69](https://github.com/sup-heliotrope/sup/issues/69))
+* Make sure that you run Ruby 1.9.3 ([#191](https://github.com/sup-heliotrope/sup/issues/191))
 
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