chore: restore trailing whitespace (x2)

lang/en/qtype_wq.php

@@ -110,4 +110,4 @@
 $string['log_server_errors_help'] = 'Extensively log errors coming from the WirisQuizzes service and other errors occurred when processing WirisQuizzes questions to your server logs. This might cause an increase in the size of your log files but might help the Wiris team troubleshoot issues.';
 
 $string['corruptquestion_edit'] = 'WARNING: This question was corrupted and its mathematical data was lost from the database. We have tried to restore everything we could, but you need to rebuild the CalcMe algorithm if your question had one, and any custom input options and validation options. Contact with your administrator for further information.';
-$string['corruptquestion_attempt'] = 'The question {$a->questionname} was corrupted and could not be loaded. Please contact with your teacher so they can fix it.';
+$string['corruptquestion_attempt'] = 'The question {$a->questionname} was corrupted and could not be loaded. Please contact with your teacher so they can fix it.';