diff --git a/.gitignore b/.gitignore
index 13752fb..b858696 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 *.vagrant
 .DS_Store
+*.retry
diff --git a/README.md b/README.md
index 3bc85d6..b469f0d 100644
--- a/README.md
+++ b/README.md
@@ -16,7 +16,7 @@ This is a work in progress, and is mostly a means for me to document my current
   2. Ensure Apple's command line tools are installed (`xcode-select --install` to launch the installer).
   3. Clone this repository to your local drive.
   4. Run the command `$ ansible-galaxy install -r requirements.txt` inside this directory to install required Ansible roles.
-  5. Run `ansible-playbook main.yml -i inventory -u [username] --ask-sudo-pass` from the same directory as this README file (substitute `[username]` for your macOS account username.
+  5. Run `ansible-playbook main.yml -i inventory -u [username] -U [username] --ask-sudo-pass` from the same directory as this README file (substitute `[username]` for your macOS account username). Enter your account password when prompted.
 
 ## Included Applications / Configuration
 
diff --git a/tasks/ansible-setup.yml b/tasks/ansible-setup.yml
index 84c4e00..efa9508 100644
--- a/tasks/ansible-setup.yml
+++ b/tasks/ansible-setup.yml
@@ -8,7 +8,7 @@
   file:
     path: /etc/ansible
     state: directory
-  sudo: yes
+  become: yes
 
 - name: Symlink /usr/local/etc/ansible to /etc/ansible.
   file:
diff --git a/tasks/preferences.yml b/tasks/preferences.yml
index c17afb2..fab18c2 100644
--- a/tasks/preferences.yml
+++ b/tasks/preferences.yml
@@ -4,6 +4,7 @@
   shell: defaults read com.apple.terminal 'Default Window Settings'
   register: terminal_theme
   changed_when: false
+  always_run: yes
 
 - name: Ensure custom Terminal profile is added.
   shell: open files/terminal/JJG-Term.terminal
@@ -26,7 +27,7 @@
     dest: /etc/sudoers
     mode: 0440
     validate: 'visudo -cf %s'
-  sudo: yes
+  become: yes
   when: configure_sudoers
 
 # TODO: Configure Sublime Text (see templates/sublime/*).