Update pandas/core/groupby/groupby.py

Co-authored-by: Matthew Roeschke <[email protected]>

Author: maushumee

pandas/core/groupby/groupby.py

@@ -4748,8 +4748,8 @@ def cumsum(self, numeric_only: bool = False, *args, **kwargs) -> NDFrameT:
 
         Parameters
         ----------
-        numeric_only : bool
-            Optional argument with default as False.
+        numeric_only : bool, default False
+            Include only float, int, boolean columns.
         *args : tuple
             Positional arguments to be passed to `func`.
         **kwargs : dict