diff --git a/tensorflow/python/ops/rnn.py b/tensorflow/python/ops/rnn.py
index 4b9fa61293e..adda1f5e564 100644
--- a/tensorflow/python/ops/rnn.py
+++ b/tensorflow/python/ops/rnn.py
@@ -580,9 +580,8 @@ def dynamic_rnn(cell,
         tuple of Tensors each with dimensions `[batch_size, ...]`.
     sequence_length: (optional) An int32/int64 vector sized `[batch_size]`. Used
       to copy-through state and zero-out outputs when past a batch element's
-      sequence length.  This argument enables this API to extract
-      the last VALID state of RNN instead of a PADDED time step, so it is 
-      for correctness.
+      sequence length.  This parameter enables users to extract the last valid
+      state and properly padded outputs, so it is provided for correctness.
     initial_state: (optional) An initial state for the RNN. If `cell.state_size`
       is an integer, this must be a `Tensor` of appropriate type and shape
       `[batch_size, cell.state_size]`. If `cell.state_size` is a tuple, this