README.rdoc in check_writer-0.3.1 vs README.rdoc in check_writer-0.4.0

@@ -4,9 +4,12 @@
 
 It generates PDF checks that look something 
 like this[https://github.com/rylwin/check_writer/raw/master/spec/assets/test-0.12.0.pdf].
 Print that PDF on check stock and you've got yourself a real check.
 
+Note: This project is being written/maintained using Ruby 1.9.3.
+Other versions of Ruby have not been tested.
+
 == Project Status
 
 A version of this code has been used in a production application for a couple of years 
 and we are finally getting around to extracting the check writing code. As we go through this 
 process, there may be significant changes to the API. You've been warned.