Fix typo in login.html

plugins/disabled-UiPassword/login.html

@@ -74,7 +74,7 @@ label { vertical-align: -1px; color: #9EA5B3; transition: all 0.3s; }
 
 <script>
 
-function onFormKeypress(e) {
+function onFormKeypress(event) {
 	if (event.keyCode == 13) {
 		submit()
 		return false
@@ -113,4 +113,4 @@ if (result == "bad_password")
 </script>
 
 </body>
-</html>
+</html>