diff --git a/options/locale/locale_en-US.ini b/options/locale/locale_en-US.ini
index 140c1bd2e3..60df796e07 100644
--- a/options/locale/locale_en-US.ini
+++ b/options/locale/locale_en-US.ini
@@ -111,7 +111,7 @@ no_admin_and_disable_registration = You cannot disable user self-registration wi
 err_empty_admin_password = The administrator password cannot be empty.
 err_empty_admin_email = The administrator email cannot be empty.
 err_admin_name_is_reserved = Administrator Username is invalid, username is reserved
-err_admin_name_pattern_not_allowed = Administrator Username is invalid, username is pattern is not allowed
+err_admin_name_pattern_not_allowed = Administrator username is invalid, the username matches a reserved pattern
 err_admin_name_is_invalid = Administrator Username is invalid
 
 general_title = General Settings