diff --git a/Gruntfile.js b/Gruntfile.js
index f833fc6..83162e1 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -21,7 +21,7 @@ module.exports = function (grunt) {
       uglify: {
         options: {
           preserveComments: 'some'
-      },
+        },
         dist: {
           src: '<%= pkg.name %>.js',
           dest: '<%= pkg.name %>.min.js'
diff --git a/README.md b/README.md
index a08c2bc..cdc7cfe 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# angular-qr v0.1.0 [![Build Status](https://travis-ci.org/janantala/angular-qr.png?branch=master)](https://travis-ci.org/janantala/angular-qr)
+# angular-qr v0.1.1 [![Build Status](https://travis-ci.org/janantala/angular-qr.png?branch=master)](https://travis-ci.org/janantala/angular-qr)
 
 QR code generator for AngularJS
 
@@ -52,13 +52,13 @@ Your text to encode
 
 #### type-number
 - 1-40
-- default value: minimal required version
+- default value: `0` = minimal required version
 
 #### correction-level
-- L
-- M (default)
-- Q
-- H
+- `L` - Low
+- `M` - Medium (default)
+- `Q` - Quartile
+- `H` - High
  
 #### size
 Size in pixels
diff --git a/angular-qr.js b/angular-qr.js
index e9edc71..9c29780 100644
--- a/angular-qr.js
+++ b/angular-qr.js
@@ -1,3 +1,9 @@
+/*!
+ * angular-qr v0.1.1
+ * (c) 2013 Jan Antala http://janantala.com
+ * License: MIT
+ */
+
 (function (QRCode) {
   'use strict';
   angular.module('ja.qr', []).controller('QrCtrl', [
@@ -23,11 +29,11 @@
         return $scope.size || 250;
       };
       $scope.isNUMBER = function (text) {
-        var ALLOWEDCHARS = /^[0123456789]*$/;
+        var ALLOWEDCHARS = /^[0-9]*$/;
         return ALLOWEDCHARS.test(text);
       };
       $scope.isALPHA_NUM = function (text) {
-        var ALLOWEDCHARS = /^[0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ $%*+-./:]*$/;
+        var ALLOWEDCHARS = /^[0-9A-Z $%*+\-./:]*$/;
         return ALLOWEDCHARS.test(text);
       };
       $scope.is8bit = function (text) {
diff --git a/angular-qr.min.js b/angular-qr.min.js
index df54508..752f5c0 100644
--- a/angular-qr.min.js
+++ b/angular-qr.min.js
@@ -1 +1,7 @@
-!function(a){"use strict";angular.module("ja.qr",[]).controller("QrCtrl",["$scope",function(a){a.getTypeNumeber=function(){return a.typeNumber||0},a.getCorrection=function(){var b={L:1,M:0,Q:3,H:2},c=a.correctionLevel||0;return b[c]||0},a.getText=function(){return a.text||""},a.getSize=function(){return a.size||250},a.isNUMBER=function(a){var b=/^[0123456789]*$/;return b.test(a)},a.isALPHA_NUM=function(a){var b=/^[0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ $%*+-./:]*$/;return b.test(a)},a.is8bit=function(a){for(var b=0;b<a.length;b++){var c=a.charCodeAt(b);if(c>256)return!1}return!0},a.checkInputMode=function(b,c){if("NUMBER"===b&&!a.isNUMBER(c))throw new Error("The `NUMBER` input mode is invalid for text.");if("ALPHA_NUM"===b&&!a.isALPHA_NUM(c))throw new Error("The `ALPHA_NUM` input mode is invalid for text.");if("8bit"===b&&!a.is8bit(c))throw new Error("The `8bit` input mode is invalid for text.");if(!a.is8bit(c))throw new Error("Input mode is invalid for text.");return!0},a.getInputMode=function(b){var c=a.inputMode;return c=c||(a.isNUMBER(b)?"NUMBER":void 0),c=c||(a.isALPHA_NUM(b)?"ALPHA_NUM":void 0),c=c||(a.is8bit(b)?"8bit":""),a.checkInputMode(c,b)?c:""}}]).directive("qr",["$timeout","$window",function(b,c){return{restrict:"E",template:"<canvas></canvas>",scope:{typeNumber:"=",correctionLevel:"=",inputMode:"=",size:"=",text:"="},controller:"QrCtrl",link:function(d,e){if(void 0===d.text)throw new Error("The `text` attribute is required.");var f=e.find("canvas")[0],g=!!c.CanvasRenderingContext2D;d.TYPE_NUMBER=d.getTypeNumeber(),d.TEXT=d.getText(),d.CORRECTION=d.getCorrection(),d.SIZE=d.getSize(),d.INPUT_MODE=d.getInputMode(d.TEXT);var h=function(a,b,c,d){for(var e=0;c>e;e++)for(var f=0;c>f;f++){var g=Math.ceil((f+1)*d)-Math.floor(f*d),h=Math.ceil((e+1)*d)-Math.floor(e*d);a.fillStyle=b.isDark(e,f)?"#000":"#fff",a.fillRect(Math.round(f*d),Math.round(e*d),g,h)}},i=function(b,c,d,e,f,i){var j=/^\s+|\s+$/g,k=c.replace(j,""),l=new a(d,e,i);l.addData(k),l.make();var m=b.getContext("2d"),n=l.getModuleCount(),o=f/n;b.width=b.height=f,g&&h(m,l,n,o)};i(f,d.TEXT,d.TYPE_NUMBER,d.CORRECTION,d.SIZE,d.INPUT_MODE),b(function(){d.$watch("text",function(a,b){a!==b&&(d.TEXT=d.getText(),d.INPUT_MODE=d.getInputMode(d.TEXT),i(f,d.TEXT,d.TYPE_NUMBER,d.CORRECTION,d.SIZE,d.INPUT_MODE))}),d.$watch("correctionLevel",function(a,b){a!==b&&(d.CORRECTION=d.getCorrection(),i(f,d.TEXT,d.TYPE_NUMBER,d.CORRECTION,d.SIZE,d.INPUT_MODE))}),d.$watch("typeNumber",function(a,b){a!==b&&(d.TYPE_NUMBER=d.getTypeNumeber(),i(f,d.TEXT,d.TYPE_NUMBER,d.CORRECTION,d.SIZE,d.INPUT_MODE))}),d.$watch("size",function(a,b){a!==b&&(d.SIZE=d.getSize(),i(f,d.TEXT,d.TYPE_NUMBER,d.CORRECTION,d.SIZE,d.INPUT_MODE))}),d.$watch("inputMode",function(a,b){a!==b&&(d.INPUT_MODE=d.getInputMode(d.TEXT),i(f,d.TEXT,d.TYPE_NUMBER,d.CORRECTION,d.SIZE,d.INPUT_MODE))})})}}}])}(window.QRCode);
\ No newline at end of file
+/*!
+ * angular-qr v0.1.1
+ * (c) 2013 Jan Antala http://janantala.com
+ * License: MIT
+ */
+
+!function(a){"use strict";angular.module("ja.qr",[]).controller("QrCtrl",["$scope",function(a){a.getTypeNumeber=function(){return a.typeNumber||0},a.getCorrection=function(){var b={L:1,M:0,Q:3,H:2},c=a.correctionLevel||0;return b[c]||0},a.getText=function(){return a.text||""},a.getSize=function(){return a.size||250},a.isNUMBER=function(a){var b=/^[0-9]*$/;return b.test(a)},a.isALPHA_NUM=function(a){var b=/^[0-9A-Z $%*+\-./:]*$/;return b.test(a)},a.is8bit=function(a){for(var b=0;b<a.length;b++){var c=a.charCodeAt(b);if(c>256)return!1}return!0},a.checkInputMode=function(b,c){if("NUMBER"===b&&!a.isNUMBER(c))throw new Error("The `NUMBER` input mode is invalid for text.");if("ALPHA_NUM"===b&&!a.isALPHA_NUM(c))throw new Error("The `ALPHA_NUM` input mode is invalid for text.");if("8bit"===b&&!a.is8bit(c))throw new Error("The `8bit` input mode is invalid for text.");if(!a.is8bit(c))throw new Error("Input mode is invalid for text.");return!0},a.getInputMode=function(b){var c=a.inputMode;return c=c||(a.isNUMBER(b)?"NUMBER":void 0),c=c||(a.isALPHA_NUM(b)?"ALPHA_NUM":void 0),c=c||(a.is8bit(b)?"8bit":""),a.checkInputMode(c,b)?c:""}}]).directive("qr",["$timeout","$window",function(b,c){return{restrict:"E",template:"<canvas></canvas>",scope:{typeNumber:"=",correctionLevel:"=",inputMode:"=",size:"=",text:"="},controller:"QrCtrl",link:function(d,e){if(void 0===d.text)throw new Error("The `text` attribute is required.");var f=e.find("canvas")[0],g=!!c.CanvasRenderingContext2D;d.TYPE_NUMBER=d.getTypeNumeber(),d.TEXT=d.getText(),d.CORRECTION=d.getCorrection(),d.SIZE=d.getSize(),d.INPUT_MODE=d.getInputMode(d.TEXT);var h=function(a,b,c,d){for(var e=0;c>e;e++)for(var f=0;c>f;f++){var g=Math.ceil((f+1)*d)-Math.floor(f*d),h=Math.ceil((e+1)*d)-Math.floor(e*d);a.fillStyle=b.isDark(e,f)?"#000":"#fff",a.fillRect(Math.round(f*d),Math.round(e*d),g,h)}},i=function(b,c,d,e,f,i){var j=/^\s+|\s+$/g,k=c.replace(j,""),l=new a(d,e,i);l.addData(k),l.make();var m=b.getContext("2d"),n=l.getModuleCount(),o=f/n;b.width=b.height=f,g&&h(m,l,n,o)};i(f,d.TEXT,d.TYPE_NUMBER,d.CORRECTION,d.SIZE,d.INPUT_MODE),b(function(){d.$watch("text",function(a,b){a!==b&&(d.TEXT=d.getText(),d.INPUT_MODE=d.getInputMode(d.TEXT),i(f,d.TEXT,d.TYPE_NUMBER,d.CORRECTION,d.SIZE,d.INPUT_MODE))}),d.$watch("correctionLevel",function(a,b){a!==b&&(d.CORRECTION=d.getCorrection(),i(f,d.TEXT,d.TYPE_NUMBER,d.CORRECTION,d.SIZE,d.INPUT_MODE))}),d.$watch("typeNumber",function(a,b){a!==b&&(d.TYPE_NUMBER=d.getTypeNumeber(),i(f,d.TEXT,d.TYPE_NUMBER,d.CORRECTION,d.SIZE,d.INPUT_MODE))}),d.$watch("size",function(a,b){a!==b&&(d.SIZE=d.getSize(),i(f,d.TEXT,d.TYPE_NUMBER,d.CORRECTION,d.SIZE,d.INPUT_MODE))}),d.$watch("inputMode",function(a,b){a!==b&&(d.INPUT_MODE=d.getInputMode(d.TEXT),i(f,d.TEXT,d.TYPE_NUMBER,d.CORRECTION,d.SIZE,d.INPUT_MODE))})})}}}])}(window.QRCode);
\ No newline at end of file
diff --git a/bower.json b/bower.json
index c363c78..c723df8 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "angular-qr",
-  "version": "0.1.0",
+  "version": "0.1.1",
   "description": "QR code generator for AngularJS",
   "author": "https://github.com/janantala/angular-qr/graphs/contributors",
   "license": "MIT",
diff --git a/package.json b/package.json
index b19959b..2d00060 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "angular-qr",
-  "version": "0.1.0",
+  "version": "0.1.1",
   "description": "QR code generator for AngularJS",
   "author": "https://github.com/janantala/angular-qr/graphs/contributors",
   "license": "MIT",
diff --git a/src/angular-qr.js b/src/angular-qr.js
index 6252cdf..f01aa92 100644
--- a/src/angular-qr.js
+++ b/src/angular-qr.js
@@ -1,5 +1,5 @@
-/*
- * angular-qr v0.1.0
+/*!
+ * angular-qr v0.1.1
  * (c) 2013 Jan Antala http://janantala.com
  * License: MIT
  */
@@ -34,12 +34,12 @@
     };
 
     $scope.isNUMBER = function(text){
-      var ALLOWEDCHARS = /^[0123456789]*$/;
+      var ALLOWEDCHARS = /^[0-9]*$/;
       return ALLOWEDCHARS.test(text);
     };
 
     $scope.isALPHA_NUM = function(text){
-      var ALLOWEDCHARS = /^[0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ $%*+-./:]*$/;
+      var ALLOWEDCHARS = /^[0-9A-Z $%*+\-./:]*$/;
       return ALLOWEDCHARS.test(text);
     };
 
diff --git a/test/unit.spec.js b/test/unit.spec.js
index dc19ae1..953e88e 100644
--- a/test/unit.spec.js
+++ b/test/unit.spec.js
@@ -67,6 +67,10 @@ describe('ja.qr', function() {
       expect(scope.getInputMode('aA123')).not.toBe('NUMBER');
       expect(scope.getInputMode('aA123')).not.toBe('ALPHA_NUM');
       expect(scope.getInputMode('aA123')).toBe('8bit');
+
+      expect(scope.getInputMode('A,123')).not.toBe('NUMBER');
+      expect(scope.getInputMode('A,123')).not.toBe('ALPHA_NUM');
+      expect(scope.getInputMode('A,123')).toBe('8bit');
     });
 
   });