diff --git a/coworking_relation/models/relation.py b/coworking_relation/models/relation.py
index 696f636..fc78b8f 100644
--- a/coworking_relation/models/relation.py
+++ b/coworking_relation/models/relation.py
@@ -13,11 +13,11 @@ class CoworkerRelation(models.Model):
     name = fields.Char()
 
     coworker1 = fields.Many2one(
-        'coworking.coworker', 'Coworker', index=True, required=True,
+        'coworking.coworker', 'Coworker1', index=True, required=True,
         domain="[('coworker_type', 'in', ['staffer', 'member', 'worker', 'volunteer', 'visitor'])]"
     )
     coworker2 = fields.Many2one(
-        'coworking.coworker', 'Coworker', index=True, required=True,
+        'coworking.coworker', 'Coworker2', index=True, required=True,
         domain="[('coworker_type', 'in', ['staffer', 'member', 'worker', 'volunteer', 'visitor'])]"
     )
     relation = fields.Char(index=True, required=True)