diff --git a/index.js b/index.js
index b2faa0c..fa14c4a 100644
--- a/index.js
+++ b/index.js
@@ -9,15 +9,19 @@ module.exports = {
     macd: macd,
 }
 const main = async () => {
+    console.log("RSI 14 on Binance BTC/USDT 15m")
     console.log(await rsi(14, "close", "binance", "BTC/USDT", "15m", true))
 
+    console.log("SMA 8 on Binance BTC/USDT 15m")
     let smaData = await sma(8, "close", "binance", "BTC/USDT", "15m", true)
     console.log(smaData[smaData.length - 1])
 
+    console.log("Bollinger bands 50, 2 on Binance BTC/USDT 15m")
     let bbData = await bb(50, 2, "close", "binance", "BTC/USDT", "15m", true)
     console.log(bbData[bbData.length - 2])
 
+    console.log("MACD 12 26 9 on Binance BTC/USDT 15m")
     let macdData = await macd(12, 26, 9, "close", "binance", "BTC/USDT", "15m", true)
     console.log(macdData[macdData.length - 2])
 }
-main()
+main()
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index 392affb..5e31e80 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,26 +1,31 @@
 {
-  "name": "trading-indicator",
-  "version": "1.0.0",
-  "lockfileVersion": 1,
-  "requires": true,
-  "dependencies": {
-    "@types/node": {
-      "version": "6.14.9",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-6.14.9.tgz",
-      "integrity": "sha512-leP/gxHunuazPdZaCvsCefPQxinqUDsCxCR5xaDUrY2MkYxQRFZZwU5e7GojyYsGB7QVtCi7iVEl/hoFXQYc+w=="
+    "name": "trading-indicator",
+    "version": "1.0.0",
+    "description": "provide trading technical indicator values",
+    "main": "index.js",
+    "scripts": {
+        "start": "echo example to fetch data from binance && node index.js",
+        "test": "echo \"Error: no test specified\" && exit 1"
     },
-    "ccxt": {
-      "version": "1.22.7",
-      "resolved": "https://registry.npmjs.org/ccxt/-/ccxt-1.22.7.tgz",
-      "integrity": "sha512-lkmgr4t/mXK45RrDc+Z2l3nazQTYCR2Udoooo2Mbe93a4mNyBS1EMrTrXULiN/A+BNOQht+ykeWA191pOcm7/Q=="
+    "repository": {
+        "type": "git",
+        "url": "git+https://github.com/thanhnguyennguyen/trading-indicator.git"
     },
-    "technicalindicators": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/technicalindicators/-/technicalindicators-3.0.0.tgz",
-      "integrity": "sha512-SfRG4sc964nladilTg/rhxi1BeEBaj4KMlxH3lnVm8t7bMgzId/dTePGYuxBe49kE545C66w+/DloPJC9omeew==",
-      "requires": {
-        "@types/node": "^6.0.96"
-      }
+    "keywords": [
+        "trading",
+        "indicators",
+        "technicalindicators",
+        "nguyennguyen",
+        "ccxt"
+    ],
+    "author": "NguyenNguyen (nguyenbk92@gmail.com)",
+    "license": "ISC",
+    "bugs": {
+        "url": "https://github.com/thanhnguyennguyen/trading-indicator/issues"
+    },
+    "homepage": "https://github.com/thanhnguyennguyen/trading-indicator#readme",
+    "dependencies": {
+        "ccxt": "^1.22.7",
+        "technicalindicators": "^3.0.0"
     }
-  }
-}
+}
\ No newline at end of file
diff --git a/package.json b/package.json
index e66c13d..6db9620 100644
--- a/package.json
+++ b/package.json
@@ -4,6 +4,7 @@
   "description": "provide trading technical indicator values",
   "main": "index.js",
   "scripts": {
+"start": "echo example to fetch data from binance && node index.js",
     "test": "echo \"Error: no test specified\" && exit 1"
   },
   "repository": {