diff --git a/examples/cnn/README.md b/examples/cnn/README.md
index b081affa7e..3806bef355 100644
--- a/examples/cnn/README.md
+++ b/examples/cnn/README.md
@@ -43,4 +43,6 @@ SINGA for image classification.
 * `train_mpi.py` is the script for distributed training (among multiple nodes) 
   using MPI and NCCL for communication.
 
-* `benchmark.py` tests the training throughput using `ResNet50` as the workload.
\ No newline at end of file
+* `benchmark.py` tests the training throughput using `ResNet50` as the workload.
+
+try