diff --git a/runbot/models/branch.py b/runbot/models/branch.py
index 16aa14a8..330b0856 100644
--- a/runbot/models/branch.py
+++ b/runbot/models/branch.py
@@ -12,6 +12,7 @@ _re_patch = re.compile(r'.*patch-\d+$')
 class runbot_branch(models.Model):
 
     _name = "runbot.branch"
+    _description = "Branch"
     _order = 'name'
     _sql_constraints = [('branch_repo_uniq', 'unique (name,repo_id)', 'The branch must be unique per repository !')]
 
diff --git a/runbot/models/build.py b/runbot/models/build.py
index 3c08a4b4..f05d1095 100644
--- a/runbot/models/build.py
+++ b/runbot/models/build.py
@@ -32,6 +32,8 @@ def make_selection(array):
 
 class runbot_build(models.Model):
     _name = "runbot.build"
+    _description = "Build"
+
     _order = 'id desc'
     _rec_name = 'id'
 
diff --git a/runbot/models/build_config.py b/runbot/models/build_config.py
index 29e2fbde..0dac6010 100644
--- a/runbot/models/build_config.py
+++ b/runbot/models/build_config.py
@@ -21,6 +21,7 @@ PYTHON_DEFAULT = "# type python code here\n\n\n\n\n\n"
 
 class Config(models.Model):
     _name = "runbot.build.config"
+    _description = "Build config"
     _inherit = "mail.thread"
 
     name = fields.Char('Config name', required=True, unique=True, track_visibility='onchange', help="Unique name for config please use trigram as postfix for custom configs")
@@ -84,6 +85,7 @@ class Config(models.Model):
 
 class ConfigStep(models.Model):
     _name = 'runbot.build.config.step'
+    _description = "Config step"
     _inherit = 'mail.thread'
 
     # general info
@@ -560,6 +562,7 @@ class ConfigStep(models.Model):
 
 class ConfigStepOrder(models.Model):
     _name = 'runbot.build.config.step.order'
+    _description = "Config step order"
     _order = 'sequence, id'
     # a kind of many2many rel with sequence
 
diff --git a/runbot/models/build_dependency.py b/runbot/models/build_dependency.py
index dc246341..0c8090dd 100644
--- a/runbot/models/build_dependency.py
+++ b/runbot/models/build_dependency.py
@@ -3,6 +3,7 @@ from odoo import models, fields
 
 class RunbotBuildDependency(models.Model):
     _name = "runbot.build.dependency"
+    _description = "Build dependency"
 
     build_id = fields.Many2one('runbot.build', 'Build', required=True, ondelete='cascade', index=True)
     dependecy_repo_id = fields.Many2one('runbot.repo', 'Dependency repo', required=True, ondelete='cascade')
diff --git a/runbot/models/build_error.py b/runbot/models/build_error.py
index 4d183c07..b7111cdc 100644
--- a/runbot/models/build_error.py
+++ b/runbot/models/build_error.py
@@ -13,6 +13,8 @@ _logger = logging.getLogger(__name__)
 class RunbotBuildError(models.Model):
 
     _name = "runbot.build.error"
+    _description = "Build error"
+
     _inherit = "mail.thread"
     _rec_name = "id"
 
@@ -171,6 +173,7 @@ class RunbotBuildError(models.Model):
 class RunbotBuildErrorTag(models.Model):
 
     _name = "runbot.build.error.tag"
+    _description = "Build error tag"
 
     name = fields.Char('Tag')
     error_ids = fields.Many2many('runbot.build.error', string='Errors')
@@ -179,6 +182,7 @@ class RunbotBuildErrorTag(models.Model):
 class RunbotErrorRegex(models.Model):
 
     _name = "runbot.error.regex"
+    _description = "Build error regex"
     _inherit = "mail.thread"
     _rec_name = 'id'
     _order = 'sequence, id'
diff --git a/runbot/models/event.py b/runbot/models/event.py
index 99544e78..cfd3db9d 100644
--- a/runbot/models/event.py
+++ b/runbot/models/event.py
@@ -74,6 +74,7 @@ FOR EACH ROW EXECUTE PROCEDURE runbot_set_logging_build();
 
 class RunbotErrorLog(models.Model):
     _name = "runbot.error.log"
+    _description = "Error log"
     _auto = False
     _order = 'id desc'
 
diff --git a/runbot/models/host.py b/runbot/models/host.py
index b5bdb031..f48c2361 100644
--- a/runbot/models/host.py
+++ b/runbot/models/host.py
@@ -6,6 +6,7 @@ _logger = logging.getLogger(__name__)
 
 class RunboHost(models.Model):
     _name = "runbot.host"
+    _description = "Host"
     _order = 'id'
     _inherit = 'mail.thread'
 
diff --git a/runbot/models/repo.py b/runbot/models/repo.py
index cfa48ebd..0acad0b0 100644
--- a/runbot/models/repo.py
+++ b/runbot/models/repo.py
@@ -30,6 +30,7 @@ class RunbotException(Exception):
 class runbot_repo(models.Model):
 
     _name = "runbot.repo"
+    _description = "Repo"
     _order = 'sequence, id'
 
     name = fields.Char('Repository', required=True)
@@ -763,6 +764,7 @@ class runbot_repo(models.Model):
 
 class RefTime(models.Model):
     _name = "runbot.repo.reftime"
+    _description = "Repo reftime"
     _log_access = False
 
     time = fields.Float('Time', index=True, required=True)
@@ -771,6 +773,7 @@ class RefTime(models.Model):
 
 class HookTime(models.Model):
     _name = "runbot.repo.hooktime"
+    _description = "Repo hooktime"
     _log_access = False
 
     time = fields.Float('Time')
diff --git a/runbot/wizards/multi_build_wizard.py b/runbot/wizards/multi_build_wizard.py
index 34fe13d1..707180f7 100644
--- a/runbot/wizards/multi_build_wizard.py
+++ b/runbot/wizards/multi_build_wizard.py
@@ -6,6 +6,7 @@ from odoo import fields, models, api
 class MultiBuildWizard(models.TransientModel):
 
     _name = 'runbot.build.config.multi.wizard'
+    _description = "Multi wizard"
 
     base_name = fields.Char('Generic name', required=True)
     prefix = fields.Char('Prefix', help="Leave blank to use login.")