update i18n

src/translations/en.json

@@ -177,7 +177,7 @@
   "forgotPasswordSubTitle1": "Please enter your username to receive",
   "forgotPasswordSubTitle2": "the code to reset your password",
 
-  "forgotUsernameSubTitle": "Please enter your email to receive the userName",
+  "forgotUsernameSubTitle": "Please enter your email to receive the username",
   "forgotUsernameSubTitle1": "Please enter your email to receive",
   "sendUsernameSuccess": "The username has been emailed to you.",
   "sendUsernameSuccess2": "Please check your emails.",