diff --git a/geomagio/xml/XMLFactory.py b/geomagio/xml/XMLFactory.py
index 9199f713eb458aadf63f5b7466c59adad616319a..b59d6dac63076edacfb606e3cca9b07d77008477 100644
--- a/geomagio/xml/XMLFactory.py
+++ b/geomagio/xml/XMLFactory.py
@@ -134,6 +134,7 @@ class XMLFactory(TimeseriesFactory):
             return
 
         timeseries.merge()
+        # TODO: CONSIDER PADDING TIMESERIES: use TimeseriesUtility.pad_timeseries(...)
 
         # Filter channels
         if channels: