diff --git a/golem_activity_registration_slot/models/golem_activity_registration_slot.py b/golem_activity_registration_slot/models/golem_activity_registration_slot.py
index 332772f..79ba11f 100644
--- a/golem_activity_registration_slot/models/golem_activity_registration_slot.py
+++ b/golem_activity_registration_slot/models/golem_activity_registration_slot.py
@@ -36,7 +36,7 @@ class GolemActivityRegistrationSlot(models.Model):
 
     @api.constrains('hour_start', 'hour_stop')
     def check_slot_hours(self):
-        """ Check slot hours consistence """
+        """ Check slot hours consistency """
         for slot in self:
             if slot.hour_start < slot.activity_id.hour_start or \
             slot.hour_stop > slot.activity_id.hour_stop: