diff --git a/lang/ja/pgassignment.php b/lang/ja/pgassignment.php
index 39bf7dd0a4b..5ac9b7cd909 100644
--- a/lang/ja/pgassignment.php
+++ b/lang/ja/pgassignment.php
@@ -14,6 +14,7 @@ $string['allocatesubmissions'] = "
 $string['allocationsincludegoodandbad'] = "Allocations to each student will include at least one good and one poor assignment";
 $string['allowsubmissions'] = "学生に提出を許可する";
 $string['allthecommentsfor'] = "全てのコメント";
+$string['amendassessmentelements'] = "評価要素を修正";
 $string['anonymous'] = "相互評価を匿名で行う";
 $string['assignmentawaitinggrading'] = "Assignment awaiting grading (Deadline is \$a)";
 $string['assignmenthasbeengraded'] = "課題は評価されました";
@@ -34,16 +35,16 @@ $string['displaygrading'] = "評
 $string['displayoffinalgrades'] = "最終評価の表示";
 $string['displayofgrades'] = "評価の表示タイミング";
 $string['doallocation'] = "Do you want to continue with the allocation of assignments to students?";
-$string['dontshowgrades'] = "Only show grades after comments have been agreed";
+$string['dontshowgrades'] = "コメントが承認された時のみ評価を表示する";
 $string['editingassessmentelements'] = "評価要素の編集";
 $string['element'] = "評価要素";
 $string['elementweight'] = "要素比重";
 $string['feedbackgoeshere'] = "Feedback goes here";
 $string['finalgrade'] = "最終評価";
 $string['first'] = "最初";
-$string['generalcomment'] = "General comment";
+$string['generalcomment'] = "一般コメント";
 $string['gradecomments'] = "評価コメント";
-$string['graded'] = "Grading and feedback by other Students";
+$string['graded'] = "他の学生による評価とフィードバック";
 $string['gradedawaitingacceptance'] = "Graded, awaiting acceptance (on iteration \$a)";
 $string['gradedawaitingreply'] = "Graded, awaiting reply (\$a)";
 $string['gradedawaitingreplydeadline'] = "Graded, awaiting reply (Deadline is \$a)";
@@ -74,7 +75,7 @@ $string['noteonassessmentelements'] = "Note that in a peer graded assignment gra
 	This makes the grading easier and more consistent. As teacher you must add these Elements before making<BR>
 	the assignment available to students. This is done by clicking on the peer graded assignment and choosing the<BR>
 	first option in the &quot;Managing a Peer Graded Assignment&quot menu.";
-$string['notgraded'] = "No grading, only feedback by other Students";
+$string['notgraded'] = "他の学生によるフィードバックのみ、評価無し";
 $string['notyetassessedby'] = "Not yet assessed by \$a";
 $string['notyetgraded'] = "Not yet graded";
 $string['notyetsubmitted'] = "Not yet submitted";
@@ -108,7 +109,7 @@ $string['scalegood3'] = "3 point Good/Poor scale";
 $string['scalepresent'] = "2 point Present/Absent scale";
 $string['scaleyes'] = "2 point Yes/No scale";
 $string['showfeedback'] = "フィードバックを表示";
-$string['showgrades'] = "Always show grades with comments";
+$string['showgrades'] = "常にコメントと評価を表示する";
 $string['showgrading'] = "Show grading";
 $string['showstatus'] = "Show status of the peer grading";
 $string['specimengradingform'] = "Specimen Grading Form";