Fix en.json format

Adding missing closing bracket

Signed-off-by: Yoshie Muranaka <yoshiemuranaka@gmail.com>
Change-Id: Ie80fe8dff662eaa89e3b91aed7278a5b7b1471cf
diff --git a/src/locales/en.json b/src/locales/en.json
index b8b5465..30bfc88 100644
--- a/src/locales/en.json
+++ b/src/locales/en.json
@@ -134,7 +134,8 @@
     "username": "Username",
     "alert": {
       "title": "Invalid username or password",
-      "action": "Try again after verifying your username and password are correct.",
+      "action": "Try again after verifying your username and password are correct."
+    },
     "form": {
       "english": "English",
       "spanish": "Spanish"