diff --git a/api/passport_admin/notification_generators/on_chain_expired.py b/api/passport_admin/notification_generators/on_chain_expired.py
index f656ab082..f476b6aa2 100644
--- a/api/passport_admin/notification_generators/on_chain_expired.py
+++ b/api/passport_admin/notification_generators/on_chain_expired.py
@@ -30,6 +30,6 @@ def generate_on_chain_expired_notifications(address, expired_chains: List[ChainS
                 notification_id=notification_id,
                 type="on_chain_expiry",
                 is_active=True,
-                content=f"Your on-chain Passport on {chain.name} has expired. Update now to maintain your active status.",
+                content=f"Your onchain Passport on {chain.name} has expired. Update now to maintain your active status.",
                 eth_address=address,
             )
diff --git a/api/passport_admin/tests/test_notifications.py b/api/passport_admin/tests/test_notifications.py
index 0605ac705..4a3c0356d 100644
--- a/api/passport_admin/tests/test_notifications.py
+++ b/api/passport_admin/tests/test_notifications.py
@@ -249,7 +249,7 @@ def existing_notification_expired_chain(sample_address, community):
         type="on_chain_expiry",
         link=None,
         link_text=None,
-        content="Your on-chain Passport on Chain 1 has expired. Update now to maintain your active status.",
+        content="Your onchain Passport on Chain 1 has expired. Update now to maintain your active status.",
         is_active=True,
         eth_address=sample_address,
         created_at=timezone.now() - timedelta(days=3),
@@ -465,7 +465,7 @@ def test_expired_chain(self, sample_token, sample_address, current_date, communi
                     "type": "on_chain_expiry",
                     "link": None,
                     "link_text": None,
-                    "content": "Your on-chain Passport on Chain 1 has expired. Update now to maintain your active status.",
+                    "content": "Your onchain Passport on Chain 1 has expired. Update now to maintain your active status.",
                     "created_at": current_date.isoformat(),
                     "is_read": False,
                 },
@@ -482,7 +482,7 @@ def test_expired_chain(self, sample_token, sample_address, current_date, communi
                     "type": "on_chain_expiry",
                     "link": None,
                     "link_text": None,
-                    "content": "Your on-chain Passport on Chain 2 has expired. Update now to maintain your active status.",
+                    "content": "Your onchain Passport on Chain 2 has expired. Update now to maintain your active status.",
                     "created_at": current_date.isoformat(),
                     "is_read": False,
                 },