diff --git a/ocean_provider/utils/util.py b/ocean_provider/utils/util.py
index c46c2783..483f48ff 100644
--- a/ocean_provider/utils/util.py
+++ b/ocean_provider/utils/util.py
@@ -60,11 +60,11 @@ def get_service_files_list(
                 files_json["datatokenAddress"]
             ) != Web3.toChecksumAddress(service.datatoken_address):
                 raise Exception(
-                    f"Provider {network_name}: Invalid datatokenAddress. Got {files_json['datatokenAddress']} vs expected {service.datatoken_address}"
+                    f"Provider {network_name}: Mismatch of datatoken. Got {files_json['datatokenAddress']} vs expected {service.datatoken_address}"
                 )
         except Exception as e:
             raise Exception(
-                f"Provider {network_name}: Mismatch of datatoken. Got {files_json['datatokenAddress']} vs expected {service.datatoken_address}"
+                f"Provider {network_name}: Invalid datatokenAddress. Got {files_json['datatokenAddress']} vs expected {service.datatoken_address}"
             )
 
         try:
@@ -72,11 +72,11 @@ def get_service_files_list(
                 files_json["nftAddress"]
             ) != Web3.toChecksumAddress(asset.nftAddress):
                 raise Exception(
-                    f"Provider {network_name}: Invalid nftAddress. Got {files_json['nftAddress']} vs expected {asset.nftAddress}"
+                    f"Provider {network_name}: Mismatch of dataNft. Got {files_json['nftAddress']} vs expected {asset.nftAddress}"
                 )
         except:
             raise Exception(
-                f"Provider {network_name}: Mismatch of dataNft. Got {files_json['nftAddress']} vs expected {asset.nftAddress}"
+                f"Provider {network_name}: Invalid nftAddress. Got {files_json['nftAddress']} vs expected {asset.nftAddress}"
             )
         files_list = files_json["files"]
         if not isinstance(files_list, list):