diff --git a/js/README.md b/js/README.md
index 55a595a..1c43c2f 100644
--- a/js/README.md
+++ b/js/README.md
@@ -28,10 +28,10 @@ document.getElementById('placeHolder').innerHTML = qr.createImgTag();
 #### qrcode(typeNumber, errorCorrectionLevel) => <code>QRCode</code>
 Create a QRCode Object.
 
-| Param                | Type                | Description                                 |
-| ---------------------| ------------------- | ------------------------------------------- |
-| typeNumber           | <code>number</code> | Type number (1 ~ 40)                        |
-| errorCorrectionLevel | <code>string</code> | Error correction level ('L', 'M', 'Q', 'H') |
+| Param                | Type                | Description                                    |
+| ---------------------| ------------------- | ---------------------------------------------- |
+| typeNumber           | <code>number</code> | Type number (1 ~ 40), or 0 for auto detection. |
+| errorCorrectionLevel | <code>string</code> | Error correction level ('L', 'M', 'Q', 'H')    |
 
 #### qrcode.stringToBytes(s) : <code>number[]</code>
 Encodes a string into an array of number(byte) using any charset.
@@ -39,7 +39,7 @@ This function is used by internal.
 Overwrite this function to encode using a multibyte charset.
 
 | Param  | Type                | Description      |
-| -------| ------------------- | ---------------- |
+| ------ | ------------------- | ---------------- |
 | s      | <code>string</code> | string to encode |
 
 ### QRCode
@@ -48,7 +48,7 @@ Overwrite this function to encode using a multibyte charset.
 Add a data to encode.
 
 | Param  | Type                | Description                                                |
-| -------| ------------------- | ---------------------------------------------------------- |
+| ------ | ------------------- | ---------------------------------------------------------- |
 | data   | <code>string</code> | string to encode                                           |
 | mode   | <code>string</code> | Mode ('Numeric', 'Alphanumeric', 'Byte'(default), 'Kanji') |
 
@@ -64,7 +64,7 @@ The module at row and col is dark or not.
 _[Note] call make() before this function._
 
 | Param | Type                | Description         |
-| ------| ------------------- | ------------------- |
+| ----- | ------------------- | ------------------- |
 | row   | <code>number</code> | 0 ~ moduleCount - 1 |
 | col   | <code>number</code> | 0 ~ moduleCount - 1 |
 
@@ -75,7 +75,7 @@ Helper functions for HTML.
  _[Note] call make() before these functions._
 
 | Param    | Type                | Description           |
-| ---------| ------------------- | --------------------- |
+| -------- | ------------------- | --------------------- |
 | cellSize | <code>number</code> | default: 2            |
 | margin   | <code>number</code> | default: cellSize * 4 |
 
diff --git a/js/package.json b/js/package.json
index b66a6b9..8e1221a 100644
--- a/js/package.json
+++ b/js/package.json
@@ -1,6 +1,6 @@
 {
   "name": "qrcode-generator",
-  "version": "1.3.0",
+  "version": "1.3.1",
   "description": "QR Code Generator implementation in JavaScript.",
   "author": "Kazuhiko Arase",
   "main": "qrcode.js",