diff --git a/swh/lister/gitlab/lister.py b/swh/lister/gitlab/lister.py
index f2b0355..59efd96 100644
--- a/swh/lister/gitlab/lister.py
+++ b/swh/lister/gitlab/lister.py
@@ -1,113 +1,113 @@
 # Copyright (C) 2018 the Software Heritage developers
 # License: GNU General Public License version 3, or any later version
 # See top-level LICENSE file for more information
 
 import random
 import re
 import time
 
 from ..core.paging_lister import SWHPagingHttpLister
 from .models import GitLabModel
 
 
 class GitLabLister(SWHPagingHttpLister):
     # Template path expecting an integer that represents the page id
     PATH_TEMPLATE = '/projects?page=%d&order_by=id&sort=asc&simple=true'
     API_URL_INDEX_RE = re.compile(r'^.*/projects.*\&page=(\d+).*')
     MODEL = GitLabModel
 
     @property
     def CONFIG_BASE_FILENAME(self):
         """One gitlab lister for all instances.  We discriminate between the
         origin on a per instance basis in the table.
 
         """
         return 'lister-gitlab'
 
     @property
     def ADDITIONAL_CONFIG(self):
         """Override additional config as the 'credentials' structure change
-           between the ancestor classes and the subclass.
+           between the ancestor classes and this class.
 
            cf. request_params method below
 
         """
         return {
             'lister_db_url':
                 ('str', 'postgresql:///lister-gitlab'),
             'credentials':  # credentials is a dict
                 ('dict', {}),
             'cache_responses':
                 ('bool', False),
             'cache_dir':
                 ('str', '~/.cache/swh/lister/%s' % self.lister_name),
         }
 
     def request_params(self, identifier):
         """Get the full parameters passed to requests given the
         transport_request identifier.
 
         For the gitlab lister, the 'credentials' entries is configured
         per instance. For example:
 
         - credentials:
           - gitlab.com:
             - username: user0
               password: <pass>
             - username: user1
               password: <pass>
             - ...
           - other-gitlab-instance:
             ...
 
         """
         params = {
             'headers': self.request_headers() or {}
         }
         # Retrieve the credentials per instance
         creds = self.config['credentials']
         if creds:
             creds_lister = creds[self.lister_name]
             auth = random.choice(creds_lister) if creds else None
             if auth:
                 params['auth'] = (auth['username'], auth['password'])
         return params
 
     def get_model_from_repo(self, repo):
         return {
             'instance': self.lister_name,
             'uid': repo['id'],
             'indexable': repo['id'],
             'name': repo['name'],
             'full_name': repo['path_with_namespace'],
             'html_url': repo['web_url'],
             'origin_url': repo['http_url_to_repo'],
             'origin_type': 'git',
             'description': repo['description'],
         }
 
     def transport_quota_check(self, response):
         """Deal with rate limit if any.
 
         """
         # not all gitlab instance have rate limit
         if 'RateLimit-Remaining' in response.headers:
             reqs_remaining = int(response.headers['RateLimit-Remaining'])
             if response.status_code == 403 and reqs_remaining == 0:
                 reset_at = int(response.headers['RateLimit-Reset'])
                 delay = min(reset_at - time.time(), 3600)
                 return True, delay
         return False, 0
 
     def get_next_target_from_response(self, response):
         """Deal with pagination
 
         """
         if 'next' in response.links:
             next_url = response.links['next']['url']
             return int(self.API_URL_INDEX_RE.match(next_url).group(1))
         return None
 
     def transport_response_simplified(self, response):
         repos = response.json()
         return [self.get_model_from_repo(repo) for repo in repos]