Fixed the documentation of the default values of the ChromeOsMultiProfileUserBehavior policy.

components/policy/resources/policy_templates.json

 {
 # policy_templates.json - Metafile for policy templates
 #
 # The content of this file is evaluated as a Python expression.
 #
 # This file is used as input to generate the following policy templates:
 # ADM, ADMX+ADML, MCX/plist and html documentation.
 #
 # Policy templates are user interface definitions or documents about the
 # policies that can be used to configure Chrome. Each policy is a name-value
@@ skipping 3026 matching lines @@
         'enum': [
           'unrestricted',
           'primary-only',
           'not-allowed',
         ],
       },
       'items': [
         {
           'name': 'MultiProfileUserBehaviorUnrestricted',
           'value': 'unrestricted',
-          'caption': '''Allow enterprise user to be both primary and secondary  (Default behavior)''',
+          'caption': '''Allow enterprise user to be both primary and secondary  (Default behavior for non-managed users)''',
         },
         {
           'name': 'MultiProfileUserBehaviorMustBePrimary',
           'value': 'primary-only',
-          'caption': '''Allow enterprise user to be primary multiprofile user only''',
+          'caption': '''Allow enterprise user to be primary multiprofile user only (Default behavior for enterprise-managed users)''',
         },
         {
           'name': 'MultiProfileUserBehaviorNotAllowed',
           'value': 'not-allowed',
           'caption': '''Do not allow enterprise user to be part of multiprofile (primary or secondary)''',
         },
       ],
       'supported_on': ['chrome_os:31-'],
       'features': {
         'dynamic_refresh': True,
@@ skipping 3424 matching lines @@
       'desc': '''Text appended in parentheses to the policy name to indicate that it has been deprecated''',
       'text': 'deprecated',
     },
     'doc_recommended': {
       'desc': '''Text appended in parentheses next to the policies top-level container to indicate that those policies are of the Recommended level''',
       'text': 'Default Settings (users can override)',
     },
   },
   'placeholders': [],
 }