Select the one you need (32bit or 64bit) and unpack to a convinient place, eg
$HOME/proxmark3/. It will create a devkitARM/ subdirectory.
-Of course, you will need a general compiling environment on your computer for
+You will also need a general compiling environment on your computer for
the client and the libusb headers. In most distributions you will get all you
need with the lsb-package (Linux Standard Base). In debian/ubuntu you simply
-call `aptitude install lsb libusb-dev`.
+call `aptitude install lsb libusb-dev libreadline-dev libreadline6`.
For the graphical plot view, you might need the qtlibs (debian/ubuntu:
libqt4-dev), too.