Update src/constructors.jl

Co-authored-by: Okon Samuel <[email protected]>

src/constructors.jl

@@ -104,7 +104,7 @@ Available controls: $CONTROLS_LIST.
   controls, refer to the documentation just cited.
 
 - `resampling=Holdout(fraction_train=0.7)`: The default resampling holds back 30% of data
-  for computing an out-of-sample estimate of performance (the "loss") for controls such
+  for computing an out-of-sample estimate of performance (the "loss") for loss-based controls such
   as `WithLossDo`. Specify `resampling=nothing` if all data is to
   be used for controlled iteration, with each out-of-sample loss replaced by the most
   recent training loss, assuming this is made available by the model