DOC: fix ES01 for pandas.DataFrame.shape (pandas-dev#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.