fix docs, test=document_fix

PaddlePaddle · Sep 8, 2020 · 22ae3e6 · 22ae3e6 · paddle-bot-old · Sep 8, 2020
1 parent 7ce82e1
commit 22ae3e6
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/python/paddle/fluid/contrib/layers/nn.py b/python/paddle/fluid/contrib/layers/nn.py
@@ -1565,7 +1565,7 @@ def correlation(x,
     <https://arxiv.org/pdf/1709.02371.pdf>_
 
     Args:
-        x(Tensor): . The data type is float32 and float64.
+        x(Tensor): The input x is 4-D Tensor with shape [N, C, H, W]. The data type is float32 and float64.
         y(Tensor): The input y is 4-D Tensor with shape [N, C, H, W]. The data type is float32 and float64.
         pad_size(int): Pad size. The data type is int.
         max_displacement(int): Max displacement. The data type is int.