[ab]*.py: normalize docs (#9421)

* [ab]*.py: normalize docs

* Update plugins/modules/atomic_image.py

Co-authored-by: Felix Fontein <felix@fontein.de>

---------

Co-authored-by: Felix Fontein <felix@fontein.de>

plugins/modules/btrfs_info.py

@@ -7,78 +7,73 @@
 from __future__ import (absolute_import, division, print_function)
 __metaclass__ = type
 
-DOCUMENTATION = r'''
----
+DOCUMENTATION = r"""
 module: btrfs_info
 short_description: Query btrfs filesystem info
 version_added: "6.6.0"
-description: Query status of available btrfs filesystems, including uuid, label, subvolumes and mountpoints.
+description: Query status of available btrfs filesystems, including UUID, label, subvolumes and mountpoints.
 
 author:
-    - Gregory Furlong (@gnfzdz)
+  - Gregory Furlong (@gnfzdz)
 
 extends_documentation_fragment:
-      - community.general.attributes
-      - community.general.attributes.info_module
-'''
-
-EXAMPLES = r'''
+  - community.general.attributes
+  - community.general.attributes.info_module
+"""
 
+EXAMPLES = r"""
 - name: Query information about mounted btrfs filesystems
   community.general.btrfs_info:
   register: my_btrfs_info
+"""
 
-'''
-
-RETURN = r'''
-
+RETURN = r"""
 filesystems:
-    description: Summaries of the current state for all btrfs filesystems found on the target host.
-    type: list
-    elements: dict
-    returned: success
-    contains:
-        uuid:
-            description: A unique identifier assigned to the filesystem.
-            type: str
-            sample: 96c9c605-1454-49b8-a63a-15e2584c208e
-        label:
-            description: An optional label assigned to the filesystem.
-            type: str
-            sample: Tank
-        devices:
-            description: A list of devices assigned to the filesystem.
-            type: list
-            sample:
-                - /dev/sda1
-                - /dev/sdb1
-        default_subvolume:
-            description: The id of the filesystem's default subvolume.
-            type: int
-            sample: 5
-        subvolumes:
-            description: A list of dicts containing metadata for all of the filesystem's subvolumes.
-            type: list
-            elements: dict
-            contains:
-                id:
-                    description: An identifier assigned to the subvolume, unique within the containing filesystem.
-                    type: int
-                    sample: 256
-                mountpoints:
-                    description: Paths where the subvolume is mounted on the targeted host.
-                    type: list
-                    sample: ['/home']
-                parent:
-                    description: The identifier of this subvolume's parent.
-                    type: int
-                    sample: 5
-                path:
-                    description: The full path of the subvolume relative to the btrfs fileystem's root.
-                    type: str
-                    sample: /@home
-
-'''
+  description: Summaries of the current state for all btrfs filesystems found on the target host.
+  type: list
+  elements: dict
+  returned: success
+  contains:
+    uuid:
+      description: A unique identifier assigned to the filesystem.
+      type: str
+      sample: 96c9c605-1454-49b8-a63a-15e2584c208e
+    label:
+      description: An optional label assigned to the filesystem.
+      type: str
+      sample: Tank
+    devices:
+      description: A list of devices assigned to the filesystem.
+      type: list
+      sample:
+        - /dev/sda1
+        - /dev/sdb1
+    default_subvolume:
+      description: The id of the filesystem's default subvolume.
+      type: int
+      sample: 5
+    subvolumes:
+      description: A list of dicts containing metadata for all of the filesystem's subvolumes.
+      type: list
+      elements: dict
+      contains:
+        id:
+          description: An identifier assigned to the subvolume, unique within the containing filesystem.
+          type: int
+          sample: 256
+        mountpoints:
+          description: Paths where the subvolume is mounted on the targeted host.
+          type: list
+          sample: ['/home']
+        parent:
+          description: The identifier of this subvolume's parent.
+          type: int
+          sample: 5
+        path:
+          description: The full path of the subvolume relative to the btrfs fileystem's root.
+          type: str
+          sample: /@home
+"""
 
 
 from ansible_collections.community.general.plugins.module_utils.btrfs import BtrfsFilesystemsProvider