diff --git a/locales/en-US.yml b/locales/en-US.yml
index 4873d97706..42da7591ce 100644
--- a/locales/en-US.yml
+++ b/locales/en-US.yml
@@ -978,7 +978,7 @@ deleteAccount: "Delete account"
 document: "Documentation"
 numberOfPageCache: "Number of cached pages"
 numberOfPageCacheDescription: "Increasing this number will improve convenience for but cause more load as more memory usage on the user's device."
-logoutConfirm: "Really log out?"
+logoutConfirm: "Are you sure you want to log out?"
 logoutWillClearClientData: "Logging out will erase the settings of the client from the browser. In order to be able to restore the settings upon logging in again, you must enable automatic backup of your settings."
 lastActiveDate: "Last used at"
 statusbar: "Status bar"