Update README.md

Change-Id: I718c8339ba60694358d9881eee00484f96ee13ef
diff --git a/README.md b/README.md
index a306c97..f9beace 100644
--- a/README.md
+++ b/README.md
@@ -7,18 +7,23 @@
 sudo edgetpu_runtime/install.sh
 ```
 
-1. Download test models and labels:
+2. Install debian packages:
+```bash
+make deb
+```
+
+3. Download model and label files:
 ```
 make download
 ```
 
-1. Create and activate virtual environment:
+4. Create and activate virtual environment:
 ```bash
 make venv
 source .env/bin/activate
 ```
 
-1. Run demo script:
+5. Run demo script:
 ```bash
-DISPLAY=:0 python3 example.py
+DISPLAY=:0 python3 vision_example.py
 ```