DOC: fix ES01 for pandas.DataFrame.shape (#60888)

Author: tuhinsharma121

pandas/core/frame.py

@@ -1021,6 +1021,10 @@ def shape(self) -> tuple[int, int]:
  """
  Return a tuple representing the dimensionality of the DataFrame.
 
+ Unlike the `len()` method, which only returns the number of rows, `shape`
+ provides both row and column counts, making it a more informative method for
+ understanding dataset size.
+
  See Also
  --------
  numpy.ndarray.shape : Tuple of array dimensions.