diff --git a/blocks/course_overview/lang/en/block_course_overview.php b/blocks/course_overview/lang/en/block_course_overview.php
index b7f0ec6b709..01a60913f64 100644
--- a/blocks/course_overview/lang/en/block_course_overview.php
+++ b/blocks/course_overview/lang/en/block_course_overview.php
@@ -27,6 +27,7 @@ $string['alwaysshowall'] = 'Always Show All';
 $string['collapseall'] = 'Collapse All Course Lists';
 $string['configotherexpanded'] = 'If enabled, Other Courses will be expanded by default unless overriden by user preferences.';
 $string['configpreservestates'] = 'If enabled, the collapsed/expanded states set by the user are stored and used on each load.';
+$string['course_overview:addinstance'] = 'Add a new course overview block';
 $string['course_overview:myaddinstance'] = 'Add a new course overview block to My home';
 $string['defaultmaxcourses'] = 'Default maximum courses';
 $string['defaultmaxcoursesdesc'] = 'Maximum courses which should be displayed on course overview block, 0 will show all courses';