diff --git a/lang/ja/quiz.php b/lang/ja/quiz.php
index 38e0c410273..b90b66f3f10 100644
--- a/lang/ja/quiz.php
+++ b/lang/ja/quiz.php
@@ -115,7 +115,7 @@ $string['duplicateresponse'] = '
 $string['eachattemptbuildsonthelast'] = '直近の解答内容を反映させる';
 $string['editcategories'] = 'カテゴリの編集';
 $string['editcategory'] = 'カテゴリの編集';
-$string['editcatquestions'] = 'カテゴリ問題の編集';
+$string['editcatquestions'] = 'カテゴリ・問題の編集';
 $string['editdatasets'] = 'データセットの編集';
 $string['editingcalculated'] = '計算問題の編集';
 $string['editingdescription'] = '説明の編集';
diff --git a/lang/ja_utf8/quiz.php b/lang/ja_utf8/quiz.php
index dd0efc944f1..778a74ddde4 100644
--- a/lang/ja_utf8/quiz.php
+++ b/lang/ja_utf8/quiz.php
@@ -115,7 +115,7 @@ $string['duplicateresponse'] = '������������������������茹ｇ�����茵���ｃ��������
 $string['eachattemptbuildsonthelast'] = '��頑�����茹ｇ�����絎鴻�����������������';
 $string['editcategories'] = '��������眼�����膩����';
 $string['editcategory'] = '��������眼�����膩����';
-$string['editcatquestions'] = '��������眼����馹����膩����';
+$string['editcatquestions'] = '��������眼����糸�馹����膩����';
 $string['editdatasets'] = '�����若�帥�祉��������膩����';
 $string['editingcalculated'] = '荐�膊���馹����膩����';
 $string['editingdescription'] = '茯�������膩����';