diff --git a/_locales/en/messages.json b/_locales/en/messages.json
index ce9d94b3..d44ef716 100644
--- a/_locales/en/messages.json
+++ b/_locales/en/messages.json
@@ -59,6 +59,9 @@
     "serialPortOpened": {
         "message": "Serial port <span style=\"color: green\">successfully</span> opened with ID: $1"
     },
+    "serialPortOpenFail": {
+        "message": "<span style=\"color: red\">Failed</span> to open serial port"
+    },
     "serialPortClosedOk": {
         "message": "Serial port <span style=\"color: green\">successfully</span> closed"
     },
@@ -72,6 +75,12 @@
     "firmwareVersionNotSupported": {
         "message": "This firmware version is <span style=\"color: red\">not supported</span>. Please upgrade to version <strong>$1</strong> or higher"
     },
+    "firmwareVersion": {
+        "message": "Firmware Version: <strong>$1</strong>"
+    },
+    "uniqueDeviceIdReceived": {
+        "message": "Unique device ID <span style=\"color: green\">received</span> - <strong>0x$1</strong>"
+    },
 
     "notifications_app_just_updated_to_version": {
         "message": "Application just updated to version: $1"
@@ -94,9 +103,5 @@
     },
     "statusbar_cycle_time": {
         "message": "Cycle Time:"
-    },
-
-    "firmware_version": {
-        "message": "Firmware Version: <strong>$1</strong>"
     }
 }
\ No newline at end of file
diff --git a/js/serial_backend.js b/js/serial_backend.js
index b150e7cd..64df9863 100644
--- a/js/serial_backend.js
+++ b/js/serial_backend.js
@@ -150,11 +150,11 @@ function onOpen(openInfo) {
 
         // request configuration data
         send_message(MSP_codes.MSP_UID, false, false, function() {
-            GUI.log('Unique device ID <span style="color: green">received</span> - <strong>0x' + CONFIG.uid[0].toString(16) + CONFIG.uid[1].toString(16) + CONFIG.uid[2].toString(16) + '</strong>');
+            GUI.log(chrome.i18n.getMessage('uniqueDeviceIdReceived', [CONFIG.uid[0].toString(16) + CONFIG.uid[1].toString(16) + CONFIG.uid[2].toString(16)]));
             send_message(MSP_codes.MSP_IDENT, false, false, function() {
                 GUI.timeout_remove('connecting'); // kill connecting timer
 
-                GUI.log(chrome.i18n.getMessage('firmware_version', [CONFIG.version]));
+                GUI.log(chrome.i18n.getMessage('firmwareVersion', [CONFIG.version]));
 
                 if (CONFIG.version >= firmware_version_accepted) {
                     configuration_received = true;
@@ -169,9 +169,9 @@ function onOpen(openInfo) {
         });
     } else {
         console.log('Failed to open serial port');
-        GUI.log('Failed to open serial port', 'red');
+        GUI.log(chrome.i18n.getMessage('serialPortOpenFail'));
 
-        $('div#port-picker a.connect').text('Connect');
+        $('div#port-picker a.connect').text(chrome.i18n.getMessage('connect'));
         $('div#port-picker a.connect').removeClass('active');
 
         // unlock port select & baud