README.md in crowdin-cli-0.0.9 vs README.md in crowdin-cli-0.0.10

@@ -2,9 +2,11 @@
 
 A Command-Line Interface to sync files between your computer/server and [Crowdin](crowdin.net).
 
 It is cross-platform and runs in a terminal (Linux, MacOS X) or in cmd.exe (Windows).
 
+> **WARNING**: This is a development version: It contains the latest changes, but may also have severe known issues, including crashes and data loss situations. In fact, it may not work at all.
+
 ## Installation
 
 Add this line to your application's Gemfile:
 
 ```