diff --git a/README.md b/README.md
index b9713fa..ff18dc5 100644
--- a/README.md
+++ b/README.md
@@ -1,81 +1,124 @@
 SWH-lister
 ============
 
 The Software Heritage Lister is both a library module to permit to
 centralize lister behaviors, and to provide lister implementations.
 
 Actual lister implementations are:
 
 - swh-lister-debian
 - swh-lister-github
 - swh-lister-bitbucket
 
 Licensing
 ----------
 
 This program is free software: you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
 Foundation, either version 3 of the License, or (at your option) any later
 version.
 
 This program is distributed in the hope that it will be useful, but WITHOUT ANY
 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
 PARTICULAR PURPOSE.  See the GNU General Public License for more details.
 
 See top-level LICENSE file for the full text of the GNU General Public License
 along with this program.
 
 
 Dependencies
 ------------
 
 - python3
 - python3-requests
 - python3-sqlalchemy
 
 More details in requirements*.txt
 
 
 Local deployment
 -----------
 
 ## lister-github
 
 ### Preparation steps
 
-1. git clone under $GHLISTER_ROOT (of your choosing)
+1. git clone under $SWH_ENVIRONMENT_HOME/swh-lister (of your choosing)
 2. mkdir ~/.config/swh/ ~/.cache/swh/lister/github.com/
 3. create configuration file ~/.config/swh/lister-github.com.yml
 4. Bootstrap the db instance schema
 
     $ createdb lister-github
     $ python3 -m swh.lister.cli --db-url postgres:///lister-github \
         --lister github \
         --create-tables
 
 ### Configuration file sample
 
     $ cat ~/.config/swh/lister-github.com.yml
     # see http://docs.sqlalchemy.org/en/latest/core/engines.html#database-urls
     lister_db_url: postgres:///lister-github
     credentials: []
     cache_responses: True
     cache_dir: /home/zack/.cache/swh/lister/github.com
-
     storage:
       cls: remote
       args:
         url: http://localhost:5002/
 
 ### Run
 
     $ python3
     >>> import logging
     >>> logging.basicConfig(level=logging.DEBUG)
     >>> from swh.lister.github.tasks import RangeGitHubLister
     >>> RangeGitHubLister().run(364, 365)
     INFO:root:listing repos starting at 364
     DEBUG:urllib3.connectionpool:Starting new HTTPS connection (1): api.github.com
     DEBUG:urllib3.connectionpool:https://api.github.com:443 "GET /repositories?since=364 HTTP/1.1" 200 None
     DEBUG:urllib3.connectionpool:Starting new HTTP connection (1): localhost
     DEBUG:urllib3.connectionpool:http://localhost:5002 "POST /origin/add HTTP/1.1" 200 1
+
+
+## lister-gitlab
+
+### preparation steps
+
+1. git clone under $SWH_ENVIRONMENT_HOME/swh-lister (of your choosing)
+2. mkdir ~/.config/swh/ ~/.cache/swh/lister/gitlab/
+3. create configuration file ~/.config/swh/lister-gitlab.yml
+4. Bootstrap the db instance schema
+
+    $ createdb lister-gitlab
+    $ python3 -m swh.lister.cli --db-url postgres:///lister-gitlab \
+        --lister gitlab \
+        --create-tables
+
+### Configuration file sample
+
+    $ cat ~/.config/swh/lister-gitlab.yml
+    # see http://docs.sqlalchemy.org/en/latest/core/engines.html#database-urls
+    lister_db_url: postgres:///lister-gitlab
+    credentials: []
+    cache_responses: True
+    cache_dir: /home/zack/.cache/swh/lister/gitlab
+    storage:
+      cls: remote
+      args:
+        url: http://localhost:5002/
+
+### Run
+
+    $ python3
+    Python 3.6.6 (default, Jun 27 2018, 14:44:17)
+    [GCC 8.1.0] on linux
+    Type "help", "copyright", "credits" or "license" for more information.
+    >>> from swh.lister.gitlab.tasks import RangeGitLabLister; RangeGitLabLister().run_task(1, 2,
+    instance='salsa.debian.org', api_baseurl='https://salsa.debian.org/api/v4')
+    >>> from swh.lister.gitlab.tasks import RangeGitLabLister; RangeGitLabLister().run_task(1, 2,
+    instance='gitlab.freedesktop.org', api_baseurl='https://gitlab.freedesktop.org/api/v4')
+    >>> from swh.lister.gitlab.tasks import RangeGitLabLister; RangeGitLabLister().run_task(1, 2,
+    instance='gitlab.gnome.org', api_baseurl='https://gitlab.gnome.org/api/v4')
+    >>> from swh.lister.gitlab.tasks import RangeGitLabLister; RangeGitLabLister().run_task(1, 2,
+    instance='gitlab.inria.fr', api_baseurl='https://gitlab.inria.fr/api/v4')
+    >>>