diff --git a/crowdfunding/projects/models.py b/crowdfunding/projects/models.py
index 7688cef..d6b66fb 100644
--- a/crowdfunding/projects/models.py
+++ b/crowdfunding/projects/models.py
@@ -12,7 +12,7 @@ class Project(models.Model):
     owner = models.ForeignKey(
         get_user_model(),
         on_delete=models.CASCADE,
-        related_name='owned_projects'
+        related_name='owner_projects'
     )
     is_deleted = models.BooleanField(default=False)
 
diff --git a/crowdfunding/projects/serializers.py b/crowdfunding/projects/serializers.py
index 3e56284..2425c7e 100644
--- a/crowdfunding/projects/serializers.py
+++ b/crowdfunding/projects/serializers.py
@@ -3,12 +3,14 @@
 
 class PledgeSerializer(serializers.ModelSerializer):
   supporter = serializers.ReadOnlyField(source='supporter.id')
+  supporter = serializers.StringRelatedField()
   class Meta:
     model = apps.get_model('projects.Pledge')
     fields = '__all__'
 
 class ProjectSerializer(serializers.ModelSerializer):
   owner = serializers.ReadOnlyField(source='owner.id')
+  owner = serializers.StringRelatedField()
   class Meta:        
     model = apps.get_model('projects.Project')        
     fields = '__all__'
diff --git a/crowdfunding/users/models.py b/crowdfunding/users/models.py
index 8a5ba11..5015c12 100644
--- a/crowdfunding/users/models.py
+++ b/crowdfunding/users/models.py
@@ -4,4 +4,11 @@ class CustomUser(AbstractUser):
     pass
 
     def __str__(self):
-        return self.username
\ No newline at end of file
+        """
+        Return the first_name plus the last_name, with a space in between.
+        """
+        if AbstractUser.get_full_name(self) != '':
+            name = AbstractUser.get_full_name(self)
+        else:
+            name = self.username
+        return name
\ No newline at end of file