diff --git a/src/ValuedParams/Function.py b/src/ValuedParams/Function.py
index 58bc765e..7a01cfc2 100644
--- a/src/ValuedParams/Function.py
+++ b/src/ValuedParams/Function.py
@@ -24,6 +24,7 @@ def get_input_specs(cls):
         in the \xmlNode{DataGenerators} node.""")
     spec.addParam('method', param_type=InputTypes.StringType,
         descr=r"""the name of the \xmlNode{DataGenerator} from which this value should be taken.""")
+    # TODO add generic spec that is read in as-is
     return spec
 
   def __init__(self):