diff --git a/doc/source/timeseries.rst b/doc/source/timeseries.rst
index 8f02a86adbd48..ce4a920ad77b5 100644
--- a/doc/source/timeseries.rst
+++ b/doc/source/timeseries.rst
@@ -1093,9 +1093,9 @@ frequencies. We will refer to these aliases as *offset aliases*
     "QS", "quarter start frequency"
     "BQS", "business quarter start frequency"
     "A, Y", "year end frequency"
-    "BA", "business year end frequency"
+    "BA, BY", "business year end frequency"
     "AS, YS", "year start frequency"
-    "BAS", "business year start frequency"
+    "BAS, BYS", "business year start frequency"
     "BH", "business hour frequency"
     "H", "hourly frequency"
     "T, min", "minutely frequency"