diff --git a/ATXCommon/Serializables/ServiceConfig.cs b/ATXCommon/Serializables/ServiceConfig.cs
index 6527fde5f3ca682599e606590704008960edb0d7..708a6354baa702492a79df1b3e633fc754630379 100644
--- a/ATXCommon/Serializables/ServiceConfig.cs
+++ b/ATXCommon/Serializables/ServiceConfig.cs
@@ -214,6 +214,10 @@ namespace ATXCommon.Serializables
             return config;
         }
 
+
+        /// <summary>
+        /// Validate the configuration, throwing exceptions on invalid parameters.
+        /// </summary>
         private static void ValidateConfiguration(ServiceConfig c) {
             if (string.IsNullOrEmpty(c.SourceDrive) ||
                 string.IsNullOrEmpty(c.IncomingDirectory) ||