diff --git a/python/paddle/v2/fluid/layers/nn.py b/python/paddle/v2/fluid/layers/nn.py
index 10a7dd4b0786dcf51b48dc4611ee93091bf1a3a5..3f309852dcb1d13d2e5b2c64a10951c45460d0cc 100644
--- a/python/paddle/v2/fluid/layers/nn.py
+++ b/python/paddle/v2/fluid/layers/nn.py
@@ -1977,7 +1977,7 @@ def row_conv(input, future_context_size, param_attr=None, act=None):
     """Row Conv Operator. This layer will apply lookahead convolution to
     **input**. The input variable should be a 2D LoDTensor with shape [T, D].
     Parameters with shape [future_context_size + 1, D] will be created. The math
-    equation of row convolution is as following:
+    equation of row convolution is as follows:
 
     .. math::
         Out_{i} = \sum_{j = i} ^ {i + \\tau} X_{j} \odot W_{i - j}