diff --git a/js/background.js b/js/background.js
index dfe5adc..9462edb 100644
--- a/js/background.js
+++ b/js/background.js
@@ -25,9 +25,10 @@
 	=============================================================================
 */
 /*global jQuery, chrome, console, document, window, localStorage */
-chrome.extension.onRequest.addListener(
+chrome.runtime.onMessage.addListener(
     function (request, sender, sendResponse) {
         'use strict';
+        
         switch(request.method) {
             case 'handleStatus':
                 if (!!request.status) {
diff --git a/js/content.js b/js/content.js
index 34429c7..6de2d9e 100644
--- a/js/content.js
+++ b/js/content.js
@@ -27,15 +27,15 @@
 /*global jQuery, chrome, console, document, window, noty, localStorage */
 (function ($) {
     'use strict';
-
+    
     function sendStatus(bangla) {
-        chrome.extension.sendRequest({method: 'handleStatus', status: bangla});
+        chrome.runtime.sendMessage({method: 'handleStatus', status: bangla});
     }
 
     var selector = 'textarea, input[type=text]';
     $.noConflict();
     
-    chrome.extension.sendRequest({method: 'hotKey'}, function(response) {
+    chrome.runtime.sendMessage({method: 'hotKey'}, function(response) {
         $(function () {
             var callback = function (isBangla) {
                 sendStatus(isBangla);
@@ -54,7 +54,7 @@
     
     if(typeof localStorage.AvroKeyboard === 'undefined') {
         localStorage.AvroKeyboard = true;
-        chrome.extension.sendRequest({method: 'popupCount'}, function(response) {
+        chrome.runtime.sendMessage({method: 'popupCount'}, function(response) {
             if (response.popupCount <= 3) {
                 $(window).load(function(){
                     noty({
diff --git a/js/options.js b/js/options.js
index 69e437f..4316d12 100644
--- a/js/options.js
+++ b/js/options.js
@@ -2,7 +2,7 @@ function save_options() {
     var select = document.getElementById("hotkey");
     var hotkey = select.children[select.selectedIndex].value;
     localStorage["hotkey"] = hotkey;
-
+    
     noty({
         text: "Setting Saved",
         layout: "top",
@@ -19,13 +19,23 @@ function save_options() {
     
 }
 
+function addOption(key,keyName){
+            $("<option/>", {
+            value: key,
+            html: keyName
+        }).appendTo("#hotkey");
+}
+
 function populate_options(){
+    //Alphabets
     for (i = 65 ; i <= 90 ; ++i){
-        $("<option/>", {
-            value: i,
-            html: String.fromCharCode(i)
-        }).appendTo("#hotkey");
+        addOption(i, String.fromCharCode(i));
     }
+    
+    //Space key
+    addOption(32,"Space");
+    addOption(190," . ");
+
     restore_options();
 }
 
diff --git a/manifest.json b/manifest.json
index 7e34017..470fcf0 100644
--- a/manifest.json
+++ b/manifest.json
@@ -1,6 +1,6 @@
 {
     "name": "Avro Keyboard",
-    "version": "1.4",
+    "version": "1.5",
      "manifest_version": 2,
     "description": "Official Avro Keyboard for Google Chrome",
     "background": {
diff --git a/options.html b/options.html
index d585dbc..fd5f8c9 100644
--- a/options.html
+++ b/options.html
@@ -15,7 +15,7 @@ <h1 id="optionTitle">Avro Keyboard Options</h1>
 		<div id="shortcutSettingDiv" style="margin: 0px 0px 5px 0px">
 			<h4 id="shorcutSetting">Hotkey for switching language</h4>
 			<div id="hot-key-setting">
-		        <label for="hotkey">Cntrl +</label>
+		        <label for="hotkey">Ctrl +</label>
 		        <select id="hotkey"></select>
 			</div>
 			<div id="error-info"></div>