diff --git a/ATxCommon/Serializables/ServiceConfig.cs b/ATxCommon/Serializables/ServiceConfig.cs
index 98cd024f568eff75b96f03d25f4daf269b8690f5..9cfffd6f91d6a87b6fd4b84ebf90f63ed88af107 100644
--- a/ATxCommon/Serializables/ServiceConfig.cs
+++ b/ATxCommon/Serializables/ServiceConfig.cs
@@ -24,6 +24,9 @@ namespace ATxCommon.Serializables
             EnforceInheritedACLs = true;
         }
 
+        /// <summary>
+        /// Dummy method raising an exception (this class must not be serialized).
+        /// </summary>
         public static void Serialize(string file, ServiceConfig c) {
             // the config is never meant to be written by us, therefore:
             throw new SettingsPropertyIsReadOnlyException("The config file must not be written by the service!");