diff --git a/experiments/grid_search.jl b/experiments/grid_search.jl
index a667895df9b09c681404be579519bb8f32fc2bc7..3abd82b6f82e6ce5b9bd33abf2c731b9c29f0b38 100644
--- a/experiments/grid_search.jl
+++ b/experiments/grid_search.jl
@@ -11,7 +11,7 @@ Perform a grid search over the hyperparameters specified by `tuning_params`. Exp
 """
 function grid_search(
     couterfactual_data::CounterfactualData,
-    test_data::CounerfactualData;
+    test_data::CounterfactualData;
     dataname::String,
     tuning_params::NamedTuple,
     kwargs...,