-On Debian and Ubuntu: 'apt-get install python3-yaml libedit-dev'.
-On Fedora: 'dnf install python3-PyYAML libedit-devel'.
+1. Install libedit from http://thrysoee.dk/editline/ (aka: editline)
+on your system.
++
+On Debian and Ubuntu: `apt-get install libedit-dev`.
++
+On Fedora: `dnf install libedit-devel`.
++
+You can also use pip to install PyYAML: `pip3 install PyYAML`.