Minor readme update for osx.
diff --git a/README b/README
index 40d6374..70ad78c 100644
--- a/README
+++ b/README
@@ -299,6 +299,12 @@ modem and the driver needs to be unloaded for cgminer to work:
sudo kextunload -b com.apple.driver.AppleUSBCDC
sudo kextunload -b com.apple.driver.AppleUSBCDCACMData
+Some devices need superuser access to mine on them so cgminer may need to
+be started with sudo
+i.e.:
+sudo cgminer <insert commands here>
+
+
---