diff --git a/swh/deposit/api/converters.py b/swh/deposit/api/converters.py
index 2f251ef5..6707f9ba 100644
--- a/swh/deposit/api/converters.py
+++ b/swh/deposit/api/converters.py
@@ -1,57 +1,57 @@
 # Copyright (C) 2017-2018  The Software Heritage developers
 # See the AUTHORS file at the top-level directory of this distribution
 # License: GNU General Public License version 3, or any later version
 # See top-level LICENSE file for more information
 
 
 def convert_status_detail(status_detail):
-    """Given a status_detail dict, transforms it into a human readable
-       string.
+    """Given a status_detail dict, transforms it into a human readable string.
 
-    Dict has the following form (all first level keys are optional):
-    {
+    Dict has the following form (all first level keys are optional)::
+
+      {
         'url': {
             'summary': "summary-string",
             'fields': [impacted-fields-list]
         },
         'metadata': [{
             'summary': "summary-string",
             'fields': [impacted-fields-list],
         }],
         'archive': [{
             'summary': "summary-string",
             'fields': [impacted-fields-list],
         }]
-    }
+      }
 
     Args:
         status_detail (dict): The status detail dict with the syntax
                               mentioned
 
     Returns:
         the status detail as inlined string
 
     """
     if not status_detail:
         return None
 
     def _str_fields(data):
         fields = data.get('fields')
         if not fields:
             return ''
         return ' (%s)' % ', '.join(map(str, fields))
 
     msg = []
     for key in ['metadata', 'archive']:
         _detail = status_detail.get(key)
         if _detail:
             for data in _detail:
                 msg.append('- %s%s\n' % (data['summary'], _str_fields(data)))
 
     _detail = status_detail.get('url')
     if _detail:
         msg.append('- %s%s\n' % (_detail['summary'], _str_fields(_detail)))
 
     if not msg:
         return None
     return ''.join(msg)