diff --git a/pandas/core/sample.py b/pandas/core/sample.py
index 5b1c4b6a331f5..4f12563e3c5e2 100644
--- a/pandas/core/sample.py
+++ b/pandas/core/sample.py
@@ -123,7 +123,7 @@ def sample(
     random_state: np.random.RandomState | np.random.Generator,
 ) -> np.ndarray:
     """
-    Randomly sample `size` indices in `np.arange(obj_len)`
+    Randomly sample `size` indices in `np.arange(obj_len)`.
 
     Parameters
     ----------