README.md in idonethis-cli-0.11.0 vs README.md in idonethis-cli-0.12.0

@@ -5,9 +5,12 @@
 ## Installation
 
 ```
 $ gem install idonethis-cli
 ```
+
+Due to [this defect](https://github.com/bundler/bundler/issues/1096), you may have to install rspec 3 manually. (Bundler tries to install development dependencies too.)
+
 ## Usage
 
 ### Configuration
 
 Set up your token and team (find your token [here](https://idonethis.com/api/token/)):