diff --git a/.env.example b/.env.example
index d7164b8..03e6d4d 100644
--- a/.env.example
+++ b/.env.example
@@ -33,3 +33,6 @@ SERVALA_EMAIL_PASSWORD=''
 # At most one of the following settings may be set to True
 SERVALA_EMAIL_TLS='False'
 SERVALA_EMAIL_SSL='False'
+
+# If the default OrganizationOrigin is **not** the one with the database ID 1, set it here.
+SERVALA_DEFAULT_ORIGIN='1'
diff --git a/src/servala/core/models/organization.py b/src/servala/core/models/organization.py
index 371f0ee..e7fb36a 100644
--- a/src/servala/core/models/organization.py
+++ b/src/servala/core/models/organization.py
@@ -49,7 +49,8 @@ class BillingEntity(models.Model):
 class OrganizationOrigin(models.Model):
     """
     Every organization has an origin, though origins may be
-    shared across different organizations.
+    shared across different organizations. The default origin
+    (by PK) is configured in the settings as SERVALA_DEFAULT_ORIGIN.
     """
 
     name = models.CharField(max_length=100, verbose_name=_("Name"))
diff --git a/src/servala/core/models/service.py b/src/servala/core/models/service.py
index b2e89f5..2f4295d 100644
--- a/src/servala/core/models/service.py
+++ b/src/servala/core/models/service.py
@@ -3,6 +3,10 @@ from django.utils.translation import gettext_lazy as _
 
 
 class ServiceCategory(models.Model):
+    """
+    Categories for services, e.g. "Databases", "Storage", "Compute".
+    """
+
     name = models.CharField(max_length=100, verbose_name=_("Name"))
     description = models.TextField(blank=True, verbose_name=_("Description"))
     logo = models.ImageField(
@@ -26,6 +30,10 @@ class ServiceCategory(models.Model):
 
 
 class Service(models.Model):
+    """
+    A service that can be offered, e.g. "PostgreSQL", "MinIO", "Kubernetes".
+    """
+
     name = models.CharField(max_length=100, verbose_name=_("Name"))
     description = models.TextField(blank=True, verbose_name=_("Description"))
     logo = models.ImageField(
@@ -64,6 +72,10 @@ class ControlPlane(models.Model):
 
 
 class CloudProvider(models.Model):
+    """
+    A cloud provider, e.g. "Exoscale".
+    """
+
     name = models.CharField(max_length=100, verbose_name=_("Name"))
     description = models.TextField(blank=True, verbose_name=_("Description"))
     logo = models.ImageField(
@@ -79,6 +91,10 @@ class CloudProvider(models.Model):
 
 
 class Plan(models.Model):
+    """
+    Each service offering can have multiple plans, e.g. for different tiers.
+    """
+
     name = models.CharField(max_length=100, verbose_name=_("Name"))
     description = models.TextField(blank=True, verbose_name=_("Description"))
     # TODO schema
@@ -98,6 +114,10 @@ class Plan(models.Model):
 
 
 class ServiceOffering(models.Model):
+    """
+    A service offering, e.g. "PostgreSQL on AWS", "MinIO on GCP".
+    """
+
     description = models.TextField(blank=True, verbose_name=_("Description"))
     service = models.ForeignKey(
         to="Service",
diff --git a/src/servala/settings.py b/src/servala/settings.py
index 507d890..0bbd9c6 100644
--- a/src/servala/settings.py
+++ b/src/servala/settings.py
@@ -62,6 +62,8 @@ EMAIL_HOST_PASSWORD = os.environ.get("SERVALA_EMAIL_PASSWORD", "")
 EMAIL_USE_TLS = os.environ.get("SERVALA_EMAIL_TLS", "False") == "True"
 EMAIL_USE_SSL = os.environ.get("SERVALA_EMAIL_SSL", "False") == "True"
 
+SERVALA_DEFAULT_ORIGIN = int(os.environ.get("SERVALA_DEFAULT_ORIGIN", "1"))
+
 #######################################
 #   Non-configurable settings below   #
 #######################################