fixed backup and validate fragments

lib/ansible/utils/module_docs_fragments/backup.py

@@ -20,6 +20,7 @@ class ModuleDocFragment(object):
 
     # Standard documentation fragment
     DOCUMENTATION = '''
+options:
     backup:
         description:
           - Create a backup file including the timestamp information so you can get

lib/ansible/utils/module_docs_fragments/validate.py

@@ -20,11 +20,12 @@ class ModuleDocFragment(object):
 
     # Standard documentation fragment
     DOCUMENTATION = '''
-   validate:
-     required: false
-     description:
-      - The validation command to run before copying into place. The path to the file to
-        validate is passed in via '%s' which must be present as in the apache example below.
-        The command is passed securely so shell features like expansion and pipes won't work.
-     default: None
+options:
+    validate:
+      required: false
+      description:
+       - The validation command to run before copying into place. The path to the file to
+         validate is passed in via '%s' which must be present as in the apache example below.
+         The command is passed securely so shell features like expansion and pipes won't work.
+      default: None
 '''