diff --git a/src/registrar/utility/csv_export.py b/src/registrar/utility/csv_export.py
index 2798e8df3..537d61538 100644
--- a/src/registrar/utility/csv_export.py
+++ b/src/registrar/utility/csv_export.py
@@ -70,7 +70,7 @@ def format_end_date(end_date):
 class BaseExport(BaseModelAnnotation):
     """
     A generic class for exporting data which returns a csv file for the given model.
-    Base class in an inheritance tree of 3.
+    3rd class in an inheritance tree of 4.
     """
 
     @classmethod
@@ -157,6 +157,8 @@ class MemberExport(BaseExport):
 
     @classmethod
     def get_model_annotation_dict(cls, request=None, **kwargs):
+        """Combines the permissions and invitation model annotations for
+        the final returned csv export which combines both of these contexts"""
         portfolio = request.session.get("portfolio")
         if not portfolio:
             return {}
@@ -230,21 +232,9 @@ class MemberExport(BaseExport):
             "Member management": member_perm_display,
             "Domain management": len(user_managed_domains) > 0,
             "Number of domains": len(user_managed_domains),
-            # TODO - this doesn't quote enclose with one record
             "Domains": managed_domains_as_csv,
         }
 
-        #         "id",
-        # "first_name",
-        # "last_name",
-        # "email_display",
-        # "last_active",
-        # "roles",
-        # "additional_permissions_display",
-        # "member_display",
-        # "domain_info",
-        # "source",
-
         row = [FIELDS.get(column, "") for column in columns]
         return row
 
diff --git a/src/registrar/utility/model_annotations.py b/src/registrar/utility/model_annotations.py
index 5ef393589..077da9553 100644
--- a/src/registrar/utility/model_annotations.py
+++ b/src/registrar/utility/model_annotations.py
@@ -1,16 +1,12 @@
 """
-Model annotation classes. Intended to return django querysets with computed fields for api endpoints and our csv reports.
-
-Created to manage the complexity of the MembersTable and Members CSV report, as they require complex but common annotations.
-
-These classes provide consistent, reusable query transformations that:
-1. Add computed fields via annotations
-2. Handle related model data
-3. Format fields for display
-4. Standardize field names across different contexts
+Model annotation classes. 
 
+Intended to return django querysets with computed fields for api endpoints and our csv reports.
 Used by both API endpoints (e.g. portfolio members JSON) and data exports (e.g. CSV reports).
 
+Initially created to manage the complexity of the MembersTable and Members CSV report, 
+as they require complex but common annotations.
+
 Example:
     # For a JSON table endpoint
     permissions = UserPortfolioPermissionAnnotation.get_annotated_queryset(portfolio)
@@ -59,6 +55,8 @@ class BaseModelAnnotation(ABC):
     Subclasses define model-specific annotations, filters, and field formatting while inheriting
     common queryset building logic.
     Intended ensure consistent data presentation across both table UI components and CSV exports.
+
+    Base class in an inheritance tree of 4.
     """
 
     @classmethod
@@ -253,7 +251,7 @@ class UserPortfolioPermissionModelAnnotation(BaseModelAnnotation):
                 PortfolioInvitation.objects.filter(
                     status=PortfolioInvitation.PortfolioInvitationStatus.RETRIEVED,
                     # Double outer ref because we first go into the LogEntry query,
-                    # then into the
+                    # then into the parent UserPortfolioPermission.
                     email=OuterRef(OuterRef("user__email")),
                     portfolio=OuterRef(OuterRef("portfolio")),
                 ).values("id")[:1]