mod_quizgame: fix typo in language string.

lang/en/quizgame.php

@@ -50,7 +50,7 @@
 **Note**: Quizventure is designed to promote learning rather than for assessment. Students will have infinite attempts with instant feedback. For this reason, only add questions you want students to learn the answer to, rather than questions you want to assess if they have learned';
 $string['modulenameplural'] = 'Quizventure games';
 $string['modulename'] = 'Quizventure';
-$string['notyetplayed'] = 'Note yet played';
+$string['notyetplayed'] = 'Not yet played';
 $string['achievedhighscoreof'] = 'Acheived a high score of {$a}';
 $string['playedxtimeswithhighscore'] = 'Played {$a->times} times. The last game ended with a high score of {$a->score}';
 $string['pluginadministration'] = 'Quizventure administration';