diff --git a/tabled/compare_tables.py b/tabled/compare_tables.py
index 4e522ca..143ee9b 100644
--- a/tabled/compare_tables.py
+++ b/tabled/compare_tables.py
@@ -112,7 +112,10 @@ def dataframe_diffs(
     df1: pd.DataFrame,
     df2: pd.DataFrame,
     comparisons: Comparisons = DFLT_COMPARISONS,
+    *,
     diff_condition=bool,
+    left_name='left',
+    right_name='right',
 ) -> dict:
     """
     Compare the diff of dataframes using specified diff comparison functions.
@@ -148,4 +151,5 @@ def dataframe_diffs(
         diff_value = comparison(df1, df2)
         if diff_condition(diff_value):
             diffs[name] = diff_value
+    diffs = diffs.rename(columns={'left': left_name, 'right': right_name})
     return diffs