diff --git a/backend/adonis.js b/backend/adonis.js
index 7f9c9bc..62eb1ab 100644
--- a/backend/adonis.js
+++ b/backend/adonis.js
@@ -277,10 +277,10 @@ instance.merge(jsonAttributes)               // Modifies the specified attribute
 instance.save()                              // Save the instance to the database.
 instance.delete()                            // Delete model instance from the database.
 
-instance.associate(id)       // Exclusive to belongsTo relationship, where it associates two model instances together.
-instance.dissociate(id)      // The opposite of associate, where you just drop the relationship
-instance.attach([id, id...]) // Works with the belongsToMany relationship to attach a relationship inside the pivot table.
-instance.detach([id, id...]) // The opposite of the attach method, and it removes the relationship from the pivot table only.
+instance.associate(id)                 // Exclusive to belongsTo relationship, where it associates two model instances together.
+instance.dissociate(id)                // The opposite of associate, where you just drop the relationship
+instance.attach(arrayOfIds, callback)  // Works with the belongsToMany relationship to attach a relationship inside the pivot table. The attach method accepts an optional callback receiving the pivotModel instance, allowing you to set extra properties on a pivot table if required:
+instance.detach(arrayOfIds)            // The opposite of the attach method, and it removes the relationship from the pivot table only.
 
 /********************************************************************************************
 * QUERY BUILDER