diff --git a/docs/en/get_started.md b/docs/en/get_started.md
index 0ff9e79..b0e3e57 100644
--- a/docs/en/get_started.md
+++ b/docs/en/get_started.md
@@ -237,7 +237,7 @@ python demo/image_demo.py ${IMAGE_FILE} ${CONFIG_FILE} ${CHECKPOINT_FILE} [--dev
 Examples:
 
 ```shell
-python demo/image_demo.py demo/demo.jpg configs/pspnet/pspnet_r50-d8_512x1024_40k_cityscapes.py \
+python demo/image_demo.py demo/demo.png configs/pspnet/pspnet_r50-d8_512x1024_40k_cityscapes.py \
     checkpoints/pspnet_r50-d8_512x1024_40k_cityscapes_20200605_003338-2966598c.pth --device cuda:0 --palette cityscapes
 ```