diff --git a/examples/echo-bot/README.md b/examples/echo-bot/README.md
index 9849ec2a5..cf988a33b 100644
--- a/examples/echo-bot/README.md
+++ b/examples/echo-bot/README.md
@@ -4,22 +4,28 @@ An example LINE bot just to echo messages
 
 ## How to use
 
-Install deps:
+### Install deps
 
-```bash
+``` shell
 $ npm install
 ```
 
-Configuration:
+### Configuration
 
-``` bash
+``` shell
 $ export CHANNEL_SECRET=YOUR_CHANNEL_SECRET
 $ export CHANNEL_ACCESS_TOKEN=YOUR_CHANNEL_ACCESS_TOKEN
 $ export PORT=1234
 ```
 
-Run:
+### Run
 
-``` bash
+``` shell
 $ node .
 ```
+
+## Webhook URL
+
+```
+https://your.base.url/callback
+```
diff --git a/examples/echo-bot/index.js b/examples/echo-bot/index.js
index 4c15e24f5..057234889 100644
--- a/examples/echo-bot/index.js
+++ b/examples/echo-bot/index.js
@@ -18,7 +18,7 @@ const app = express();
 
 // register a webhook handler with middleware
 // about the middleware, please refer to doc
-app.post('/webhook', line.middleware(config), (req, res) => {
+app.post('/callback', line.middleware(config), (req, res) => {
   Promise
     .all(req.body.events.map(handleEvent))
     .then((result) => res.json(result));
diff --git a/examples/echo-bot/package.json b/examples/echo-bot/package.json
index 5c5690019..3dd0652b0 100644
--- a/examples/echo-bot/package.json
+++ b/examples/echo-bot/package.json
@@ -3,6 +3,9 @@
   "version": "0.0.0",
   "description": "An example LINE bot just to echo messages",
   "main": "index.js",
+  "scripts": {
+    "start": "node ."
+  },
   "dependencies": {
     "@line/bot-sdk": "^5.0.0",
     "express": "^4.15.2"
diff --git a/examples/kitchensink/README.md b/examples/kitchensink/README.md
index fcf568820..0912ae674 100644
--- a/examples/kitchensink/README.md
+++ b/examples/kitchensink/README.md
@@ -27,3 +27,9 @@ export PORT=1234
 ``` shell
 node .
 ```
+
+## Webhook URL
+
+```
+https://your.base.url/callback
+```
diff --git a/examples/kitchensink/package.json b/examples/kitchensink/package.json
index 9d102c668..f1a6a52cb 100644
--- a/examples/kitchensink/package.json
+++ b/examples/kitchensink/package.json
@@ -3,6 +3,9 @@
   "version": "0.0.0",
   "description": "A kitchen-sink LINE bot example",
   "main": "index.js",
+  "scripts": {
+    "start": "node ."
+  },
   "dependencies": {
     "@line/bot-sdk": "^5.0.0",
     "express": "^4.16.2"