diff --git a/python/paddle/tensor/manipulation.py b/python/paddle/tensor/manipulation.py
index 13687977fa23cbda3f209b368aa32e6597728474..8053c86cba9de98f66c148564d7edd157b774c37 100644
--- a/python/paddle/tensor/manipulation.py
+++ b/python/paddle/tensor/manipulation.py
@@ -1499,7 +1499,7 @@ def flatten(x, start_axis=0, stop_axis=-1, name=None):
             end_axis = 2
 
           We get:
-            Out.shape = (3, 1000 * 100, 2)
+            Out.shape = (3, 100 * 100, 4)
 
         Case 2: