Clean up backup doc fragment (#49995)

lib/ansible/utils/module_docs_fragments/backup.py

@@ -1,31 +1,18 @@
-# Copyright (c) 2015 Ansible, Inc
-#
-# This file is part of Ansible
-#
-# Ansible is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# Ansible is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with Ansible.  If not, see <http://www.gnu.org/licenses/>.
+# -*- coding: utf-8 -*-
+
+# Copyright: (c) 2015, Ansible, Inc
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
 
 
 class ModuleDocFragment(object):
 
     # Standard documentation fragment
-    DOCUMENTATION = '''
+    DOCUMENTATION = r'''
 options:
-    backup:
-        description:
-          - Create a backup file including the timestamp information so you can get
-            the original file back if you somehow clobbered it incorrectly.
-        required: false
-        choices: [ "yes", "no" ]
-        default: "no"
+  backup:
+    description:
+    - Create a backup file including the timestamp information so you can get
+      the original file back if you somehow clobbered it incorrectly.
+    type: bool
+    default: no
 '''