diff --git a/paddle/operators/sequence_concat_op.cu b/paddle/operators/sequence_concat_op.cu
index 200b2a8ab9e0d7f841c3e9499d0ea90aa81142ae..8dc4764785871262d21a5631cc9e8b805ba84244 100644
--- a/paddle/operators/sequence_concat_op.cu
+++ b/paddle/operators/sequence_concat_op.cu
@@ -1,16 +1,16 @@
 /* Copyright (c) 2016 PaddlePaddle Authors. All Rights Reserve.
 
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
 
-   http://www.apache.org/licenses/LICENSE-2.0
+    http://www.apache.org/licenses/LICENSE-2.0
 
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License. */
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License. */
 
 #define EIGEN_USE_GPU
 
diff --git a/paddle/operators/sequence_concat_op.h b/paddle/operators/sequence_concat_op.h
index dcd98be7ee0b8852de73f1899046a9c443b3471e..91c952caf25d72dec4cf39783e7274b49167e43a 100644
--- a/paddle/operators/sequence_concat_op.h
+++ b/paddle/operators/sequence_concat_op.h
@@ -64,7 +64,7 @@ class SequenceConcatOpKernel : public framework::OpKernel<T> {
 
     for (size_t i = 1; i < n; ++i) {
       PADDLE_ENFORCE_EQ(ins[0]->NumLevels(), ins[i]->NumLevels(),
-                        "The level number of all the input LoDTensors "
+                        "The levels of all the input LoDTensors "
                         "should be the same.");
       PADDLE_ENFORCE_EQ(ins[0]->dims().size(), ins[i]->dims().size(),
                         "The dimension size of all the input LoDTensors "