diff --git a/pandas/core/base.py b/pandas/core/base.py
index ee514888c6331..7ea2ff95ea0de 100644
--- a/pandas/core/base.py
+++ b/pandas/core/base.py
@@ -753,7 +753,7 @@ def to_numpy(self, dtype=None, copy=False, na_value=lib.no_default, **kwargs):
         dtype : str or numpy.dtype, optional
             The dtype to pass to :meth:`numpy.asarray`.
         copy : bool, default False
-            Whether to ensure that the returned value is a not a view on
+            Whether to ensure that the returned value is not a view on
             another array. Note that ``copy=False`` does not *ensure* that
             ``to_numpy()`` is no-copy. Rather, ``copy=True`` ensure that
             a copy is made, even if not strictly necessary.
diff --git a/pandas/core/frame.py b/pandas/core/frame.py
index 4b4801f4e8c58..f8cb99e2b2e75 100644
--- a/pandas/core/frame.py
+++ b/pandas/core/frame.py
@@ -1301,7 +1301,7 @@ def to_numpy(self, dtype=None, copy: bool = False) -> np.ndarray:
         dtype : str or numpy.dtype, optional
             The dtype to pass to :meth:`numpy.asarray`.
         copy : bool, default False
-            Whether to ensure that the returned value is a not a view on
+            Whether to ensure that the returned value is not a view on
             another array. Note that ``copy=False`` does not *ensure* that
             ``to_numpy()`` is no-copy. Rather, ``copy=True`` ensure that
             a copy is made, even if not strictly necessary.