Ansible troubleshooting - not a valid attribute for a Play error

---
- name: file module demo
  hosts: all
  vars:
    myfile: "~/example.txt"
  task:
    - name: Creating an empty
      ansible.builtin.file:
        path: "{{ myfile }}"
        state: touch

$ ansible-playbook -i demo/inventory troubleshooting/invalid_play_attribute_fix.yml
ERROR! 'task' is not a valid attribute for a Play
The error appears to be in 'ansible-pilot/troubleshooting/invalid_play_attribute_error.yml': line 2, column 3, but may
be elsewhere in the file depending on the exact syntax problem.
The offending line appears to be:
 - -
- name: file module demo
 ^ here

---
- name: file module demo
  hosts: all
  vars:
    myfile: "~/example.txt"
  tasks:
    - name: Creating an empty
      ansible.builtin.file:
        path: "{{ myfile }}"
        state: touch

$ ansible-playbook -i demo/inventory troubleshooting/invalid_play_attribute_fix.yml
PLAY [file module demo] *********************************************************************
TASK [Gathering Facts] **********************************************************************
ok: [demo.example.com]
TASK [Creating an empty file] ***************************************************************
changed: [demo.example.com]
PLAY RECAP **********************************************************************************
demo.example.com : ok=2 changed=1 unreachable=0 failed=0 skipped=0 rescued=0 ignored=0