fixed RETURN docs for modules (#24011)

* fixed RETURN docs for remaining modules

* updated proxymysql_mysql_users 'sample' to yaml dict

* fixed whitespace errors

lib/ansible/modules/system/aix_inittab.py

@@ -119,7 +119,7 @@ mgs:
     sample: changed inittab entry startmyservice
 changed:
     description: whether the inittab changed or not
-    return: always
+    returned: always
     type: boolean
     sample: true
 '''

lib/ansible/modules/system/authorized_key.py

@@ -170,42 +170,42 @@ key_option:
   description: Key options related to the key.
   returned: success
   type: string
-  sameple: null
+  sample: null
 keyfile:
   description: Path for authorzied key file.
   returned: success
   type: string
-  sameple: /home/user/.ssh/authorized_keys
+  sample: /home/user/.ssh/authorized_keys
 manage_dir:
   description: Whether this module managed the directory of the authorized key file.
   returned: success
   type: boolean
-  sameple: True
+  sample: True
 path:
   description: Alternate path to the authorized_keys file
   returned: success
   type: string
-  sameple: null
+  sample: null
 state:
   description: Whether the given key (with the given key_options) should or should not be in the file
   returned: success
   type: string
-  sameple: present
+  sample: present
 unique:
   description: Whether the key is unique
   returned: success
   type: boolean
-  sameple: false
+  sample: false
 user:
   description: The username on the remote host whose authorized_keys file will be modified
   returned: success
   type: string
-  sameple: user
+  sample: user
 validate_certs:
   description: This only applies if using a https url as the source of the keys. If set to C(no), the SSL certificates will not be validated.
   returned: success
   type: boolean
-  sameple: true
+  sample: true
 '''
 
 # Makes sure the public key line is present or absent in the user's .ssh/authorized_keys.

lib/ansible/modules/system/parted.py

@@ -112,7 +112,7 @@ RETURN = '''
 partition_info:
   description: Current partition information
   returned: success
-  type: dict
+  type: complex
   contains:
     device:
       description: Generic device information.

lib/ansible/modules/system/systemd.py

@@ -123,7 +123,7 @@ status:
     description: A dictionary with the key=value pairs returned from `systemctl show`
     returned: success
     type: complex
-    sample: {
+    contains: {
             "ActiveEnterTimestamp": "Sun 2016-05-15 18:28:49 EDT",
             "ActiveEnterTimestampMonotonic": "8135942",
             "ActiveExitTimestampMonotonic": "0",

lib/ansible/modules/system/timezone.py

@@ -65,7 +65,7 @@ diff:
   description: The differences about the given arguments.
   returned: success
   type: dictionary
-  contains:
+  sample:
     before:
       description: The values before change
       type: dict