diff --git a/pandas/core/base.py b/pandas/core/base.py
index d4421560bcea7..9c722bad019a4 100644
--- a/pandas/core/base.py
+++ b/pandas/core/base.py
@@ -108,7 +108,7 @@ class PandasObject(DirNamesMixin):
     @property
     def _constructor(self):
         """
-        Class constructor (for this class it's just `__class__`.
+        Class constructor (for this class it's just `__class__`).
         """
         return type(self)