diff --git a/pandas/core/generic.py b/pandas/core/generic.py
index 20d8bd3bda21f..d397155f547e7 100644
--- a/pandas/core/generic.py
+++ b/pandas/core/generic.py
@@ -10052,7 +10052,7 @@ def shift(
         fill_value : object, optional
             The scalar value to use for newly introduced missing values.
             the default depends on the dtype of `self`.
-            For numeric data, ``np.nan`` is used.
+            For Boolean and numeric NumPy data types, ``np.nan`` is used.
             For datetime, timedelta, or period data, etc. :attr:`NaT` is used.
             For extension dtypes, ``self.dtype.na_value`` is used.
         suffix : str, optional