MDL-15134 lang string typo fix, thanks to David Mudrak

lang/en_utf8/question.php

@@ -144,7 +144,7 @@
 $string['questionsaveerror'] = 'Errors occur during saving question - ($a)';
 $string['questionsmovedto'] = 'Questions still in use moved to "$a" in the parent course category.';
 $string['questionsrescuedfrom'] = 'Questions saved from context $a.';
-$string['questionsrescuedfrominfo'] = 'These questions (some of which may be hidden) where saved when context $a was deleted because they are still used by some quizzes or other activities.';
+$string['questionsrescuedfrominfo'] = 'These questions (some of which may be hidden) were saved when context $a was deleted because they are still used by some quizzes or other activities.';
 $string['questionuse'] = 'Use question in this activity';
 $string['saveflags'] = 'Save the state of the flags';
 $string['shareincontext'] = 'Share in context for $a';