diff --git a/src/python_testing/mdns_discovery/mdns_discovery.py b/src/python_testing/mdns_discovery/mdns_discovery.py
index 2a68be6832371e..cc3d7c8e823055 100644
--- a/src/python_testing/mdns_discovery/mdns_discovery.py
+++ b/src/python_testing/mdns_discovery/mdns_discovery.py
@@ -267,7 +267,7 @@ async def get_service_by_record_type(self, service_name: str,
             service_name (str): The unique name of the mDNS service.
             Example:            
                 C82B83803DECA0B2-0000000012344321._matter._tcp.local.
-            
+
             record_type (DNSRecordType): The type of record to look for (SRV, TXT, AAAA, A).
             Example:
                 _matterd._tcp.local. (from the MdnsServiceType enum)