README.md in instrumental_tools-0.3.1 vs README.md in instrumental_tools-0.3.2

@@ -8,11 +8,9 @@
 
 ```sh
 instrument_server -k <INSTRUMENTAL_API_KEY>
 ```
 
-Linux note: Install iostat (part of the sysstat package) in order to collect disk I/O metrics.
-
 Mac OS note: Due to a bug in Ruby, instrument_server can occasionally deadlock ([bug report](http://bugs.ruby-lang.org/issues/5811)).
 
 ## instrumental
 
 Output text graphs of the different metrics in your project.