diff --git a/README.md b/README.md
index 11ce332..aa4560c 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@ This repository contains the cdm tool only, and has references to repositories w
 ## Installation
 
     pip install cassandra-dataset-manager
-    
+
 The project is still under heavy development, a lot is changing very quickly.
 
 ## Quickstart
@@ -16,14 +16,29 @@ Let's install the movielens-small dataset.  It's a quick download at just a few
 
     cdm update
     cdm install movielens-small
-    
+
 Open the Cassandra shell:
-       
-    cqlsh -k movielens_small 
+
+    cqlsh -k movielens_small
     desc tables;
     select * from movies limit 10;
-    
+
 Options are all available at `cdm help`
 
 I encourage you to read through the [documentation](http://cdm.readthedocs.org/en/latest/).
-    
+
+### Note for OS X users
+
+You may experience an error message like this during install
+
+```
+OSError: [Errno 1] Operation not permitted: '/var/folders/x_/g0gbsrv93bscl1z40vbqt7w00000gp/T/pip-CBMkcc-uninstall/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/six-1.4.1-py2.7.egg-info'
+```    
+
+A simple and quick solution is to install Python with [Homebrew](http://brew.sh/)
+
+```
+brew install python
+```
+
+See this [thread](http://stackoverflow.com/q/29485741/1360888) for more information.