diff --git a/taxbrain/taxbrain.py b/taxbrain/taxbrain.py
index 40b96fe..52d37c6 100644
--- a/taxbrain/taxbrain.py
+++ b/taxbrain/taxbrain.py
@@ -60,7 +60,7 @@ def __init__(
             file or a Pandas DataFrame, containing micro-data, or a
             dictionary containing a path to microdata, associated
             weights, and grow factors.  If a dict, must have keys:
-            "data", "start_year", "gfactors", "weights"
+            "data", "start_year", "growfactors", "weights"
         reform: str or dict
             Individual income tax policy reform. Can be either a string
             pointing to a JSON reform file, or the contents of a JSON file,
diff --git a/taxbrain/tests/expected_weighted_table.csv b/taxbrain/tests/expected_weighted_table.csv
index 8e9ef16..ae5c591 100644
--- a/taxbrain/tests/expected_weighted_table.csv
+++ b/taxbrain/tests/expected_weighted_table.csv
@@ -1,4 +1,4 @@
 ,2018,2019
-Base,2333219200997.7583,2453853281529.6304
-Reform,2333219200997.7583,2485749384352.428
-Difference,0.0,31896102822.79785
+Base,2332985274190.805,2453761662923.492
+Reform,2332985274190.805,2485645445632.9185
+Difference,0.0,31883782709.42627