diff --git a/ERD/Backend_ERD.drawio.png b/ERD/Backend_ERD.drawio.png
index 669f28e..d9c1c6b 100644
Binary files a/ERD/Backend_ERD.drawio.png and b/ERD/Backend_ERD.drawio.png differ
diff --git a/equipment_tracker/transactions/serializers.py b/equipment_tracker/transactions/serializers.py
index fea196a..cf1709a 100644
--- a/equipment_tracker/transactions/serializers.py
+++ b/equipment_tracker/transactions/serializers.py
@@ -159,11 +159,11 @@ class TransactionSerializer(serializers.HyperlinkedModelSerializer):
             )
 
         # Transaction Status Validation
-        # Check if the update involves the transaction status
-        if 'transaction_status' in validated_data:
+        # Check if the update involves changing the transaction status
+        if 'transaction_status' in validated_data and validated_data.get('transaction_status') != instance.transaction_status:
 
             # For already finalized/done transactions (Rejected or Finalized ones)
-            # Do not allow any changes to already finalized transactions
+            # Do not allow any changes to status for already finalized transactions
             if instance.transaction_status in ['Rejected', 'Finalized']:
                 raise serializers.ValidationError(
                     "Unable to update rejected or finalized transaction. Please create a new one"
@@ -236,7 +236,7 @@ class TransactionSerializer(serializers.HyperlinkedModelSerializer):
                 )
 
             # If the transaction changes from Borrowed to Finalized and there are no breakages, label the selected equipment's statuses as Available again from Borrowed
-            if instance.transaction_status == "Borrowed" and validated_data.get('transaction_status') == "Finalized":
+            if instance.transaction_status == "Returned: Pending Checking" and validated_data.get('transaction_status') == "Finalized":
                 equipments = instance.equipments.all()
                 # Iterate through each of those equipment instances and change their status field to "Available"
                 # This updates the status field of all equipment instances in a single query