diff --git a/lang/en_utf8/grades.php b/lang/en_utf8/grades.php
index e6395ec8df4..bcf6e1842df 100644
--- a/lang/en_utf8/grades.php
+++ b/lang/en_utf8/grades.php
@@ -154,6 +154,7 @@ $string['gradebook'] = 'Gradebook';
 $string['gradebookhiddenerror'] = 'The gradebook is currently set to hide everything from students.';
 $string['gradebookhistories'] = 'Grade histories';
 $string['gradeboundary'] = 'Letter grade boundary';
+$string['gradecategories'] = 'Grade categories';
 $string['gradecategory'] = 'Grade Category';
 $string['gradecategoryhelp'] = 'Grade Category Help';
 $string['gradecategorysettings'] = 'Grade Category Settings';
@@ -170,7 +171,7 @@ $string['gradeitemaddusers'] = 'Exclude from Grading';
 $string['gradeitemmembersselected'] = 'Excluded from Grading';
 $string['gradeitemnonmembers'] = 'Included in Grading';
 $string['gradeitemremovemembers'] = 'Include in Grading';
-$string['gradeitems'] = 'Grade Items';
+$string['gradeitems'] = 'Grade items';
 $string['gradeletter'] = 'Grade Letter';
 $string['gradeletterhelp'] = 'Grade Letter Help';
 $string['gradeletternote'] = 'To delete a grade letter just empty any of the<br /> three text areas for that letter and click submit.';