Small fix to README.

Author: geerlingguy

molecule/README.md

@@ -4,7 +4,7 @@ This directory contains an example Molecule configuration for an Ansible playboo
 
 The Molecule configuration can be run locally or in a Continuous Integration (CI) environment, to ensure the playbook is always working correctly.
 
-To run the Molecule environment, you must have `molecule` (with it's `docker` driver), `ansible`, and the `docker` Python library installed:
+To run the Molecule environment, you must have `molecule` (with it's `docker` plugin), `ansible`, and the `docker` Python library installed:
 
     pip3 install ansible molecule molecule-plugins[docker] docker