diff --git a/konviva-events/app/enrollment.py b/konviva-events/app/enrollment.py
index 0bd6856..d50aa4d 100644
--- a/konviva-events/app/enrollment.py
+++ b/konviva-events/app/enrollment.py
@@ -19,7 +19,7 @@ def update_progress(
     dynamodb_persistence_layer: DynamoDBPersistenceLayer,
 ):
     now_ = now()
-    ttl_ = ttl(start_dt=now_, days=7)
+    reminder_ttl = ttl(start_dt=now_, days=7)
 
     try:
         with dynamodb_persistence_layer.transact_writer() as transact:
@@ -43,7 +43,7 @@ def update_progress(
                 item={
                     'id': id,
                     'sk': 'SCHEDULE#REMINDER_NO_ACTIVITY_AFTER_7_DAYS',
-                    'ttl': ttl_,
+                    'ttl': reminder_ttl,
                     'created_at': now_,
                 }
             )
@@ -81,7 +81,7 @@ def update_progress(
                 item={
                     'id': id,
                     'sk': 'SCHEDULE#REMINDER_NO_ACTIVITY_AFTER_7_DAYS',
-                    'ttl': ttl_,
+                    'ttl': reminder_ttl,
                     'created_at': now_,
                 }
             )
@@ -459,4 +459,4 @@ class EnrollmentNotFoundError(NotFoundError):
 
 class EnrollmentConflictError(BadRequestError):
     def __init__(self, *_):
-        super().__init__('Enrollment conflict')
+        super().__init__('Enrollment status conflict')