diff --git a/CHANGES.md b/CHANGES.md
index 15178be40c9e7fa86b79b941dab50f4054aa21c4..c9fefe8c67a85620e6642275872f80be404fa091 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -6,6 +6,7 @@ Changes
 
 ### Unreleased
 
+* 2019-05-31 - Adjusted function context_header_settings_menu() in core_renderer.php due to upstream changes in theme Boost.
 * 2019-05-31 - Adjusted function full_header() in core_renderer.php due to upstream changes in theme Boost.
 * 2019-05-31 - Fixed referencing of renderers due to upstream changes in theme Boost.
 * 2019-05-31 - Prepare compatibility for Moodle 3.7.
diff --git a/classes/output/core_renderer.php b/classes/output/core_renderer.php
index 0b1695d0d3bfa1d12996e633f1a428b0179353e0..cf587684c6fc1925b3df510a103c91101ee377b4 100644
--- a/classes/output/core_renderer.php
+++ b/classes/output/core_renderer.php
@@ -279,7 +279,7 @@ class core_renderer extends \core_renderer {
      * This is an optional menu that can be added to a layout by a theme. It contains the
      * menu for the course administration, only on the course main page.
      *
-     * MODIFICATION: This renderer function is copied and modified from /theme/boost/classes/output/core_renderer.php
+     * MODIFICATION: This renderer function is copied and modified from /lib/outputrenderers.php.
      *
      * @return string
      */
@@ -358,7 +358,7 @@ class core_renderer extends \core_renderer {
                 if ($skipped) {
                     $text = get_string('morenavigationlinks');
                     $url = new moodle_url('/course/admin.php', array('courseid' => $this->page->course->id));
-                    $link = new action_link($url, $text, null, null, new pix_icon('t/edit', ''));
+                    $link = new action_link($url, $text, null, null, new pix_icon('t/edit', $text));
                     $menu->add_secondary_action($link);
                 }
             }
@@ -372,7 +372,7 @@ class core_renderer extends \core_renderer {
                 if ($skipped) {
                     $text = get_string('morenavigationlinks');
                     $url = new moodle_url('/course/admin.php', array('courseid' => $this->page->course->id));
-                    $link = new action_link($url, $text, null, null, new pix_icon('t/edit', ''));
+                    $link = new action_link($url, $text, null, null, new pix_icon('t/edit', $text));
                     $menu->add_secondary_action($link);
                 }
             }