diff --git a/_locales/en/messages.json b/_locales/en/messages.json
new file mode 100644
index 0000000..2d004bb
--- /dev/null
+++ b/_locales/en/messages.json
@@ -0,0 +1,22 @@
+{
+    "extensionName": {
+        "message": "VirusTotal Scan"
+    },
+    "extensionDescription": {
+        "message": "Scan URL with VirusTotal"
+    },
+    "notifyQueuedAndPolling": {
+        "message": "VirusTotal Scan queued.\nPolling every $POLL_INTERVAL_SECONDS$ seconds for the results...",
+        "placeholders": {
+            "POLL_INTERVAL_SECONDS": {
+                "content": "$1"
+            }
+        }
+    },
+    "notifyStillQueuedStoppedPolling": {
+        "message": "VirusTotal Scan still queued. Stopped polling for the results.\nPlease select VirusTotal Scan again in a minute or later."
+    },
+    "notifyUnexpectedResponse": {
+        "message": "Received unexpected response. Please retry."
+    }
+}
diff --git a/manifest.json b/manifest.json
index 3c45069..33754e1 100644
--- a/manifest.json
+++ b/manifest.json
@@ -3,16 +3,18 @@
     "background": {
 		"page": "b.html"
     },
-    "description": "Scan URL with VirusTotal",
+    "default_locale": "en",
+    "description": "__MSG_extensionDescription__",
     "homepage_url": "https://www.github.com/2000me/vtscan",
     "icons": {
         "16": "i.svg"
     },
     "manifest_version": 2,
-    "name": "VirusTotal Scan",
+    "name": "__MSG_extensionName__",
     "permissions": [
         "contextMenus",
+        "notifications",
 		"https://www.virustotal.com/*"
 	],
-    "version": "0.5.4"
+    "version": "0.6.0"
 }