diff --git a/python/paddle/fluid/layers/nn.py b/python/paddle/fluid/layers/nn.py
index f4e1c0d96aa8dd1681e9a9fca9c57f95c89a9b43..cc6b92c06f029485634e6045c01e4f534644d99f 100644
--- a/python/paddle/fluid/layers/nn.py
+++ b/python/paddle/fluid/layers/nn.py
@@ -4212,7 +4212,10 @@ def transpose(x, perm, name=None):
     Examples:
         .. code-block:: python
 
-            x = fluid.layers.data(name='x', shape=[5, 10, 15], dtype='float32')
+            # use append_batch_size=False to avoid prepending extra 
+            # batch size in shape
+            x = fluid.layers.data(name='x', shape=[5, 10, 15], 
+                            dtype='float32', append_batch_size=False)
             x_transposed = layers.transpose(x, perm=[1, 0, 2])
     """