diff --git a/lang/en/local_treestudyplan.php b/lang/en/local_treestudyplan.php
index 0eb8cd7..66ed95c 100644
--- a/lang/en/local_treestudyplan.php
+++ b/lang/en/local_treestudyplan.php
@@ -85,8 +85,8 @@ $string["settingdesc_display_field"] = 'Select the field to use for the display
 
 $string["setting_navigation_heading"] = 'Navigation';
 $string["settingdesc_navigation_heading"] = 'Navigation menu configuration';
-$string["setting_primary_nav_autofill"] = 'Automatically fill User menu items';
-$string["settingdesc_primary_nav_autofill"] = 'To show the studyplan links in the primary navigation menu, lines have to be added to the setting <b>Appearance</b> - <b>Theme settings</b> - <b>Custom menu items</b>. Enable this feature to do so automatically.';
+$string["setting_primary_nav_autofill"] = 'Automatically fill <i>custom menu items</i>';
+$string["settingdesc_primary_nav_autofill"] = 'To show the studyplan links in the primary navigation menu (especially in moodle 4.x), lines have to be added to the setting <b>Appearance</b>&nbsp;-&nbsp;<b>Theme&nbsp;settings</b>&nbsp;-&nbsp;<b>Custom&nbsp;menu&nbsp;items</b>.<br>Disable this feature here if you do not want this, e.g. if your theme (up to moodle 3.11) uses flat navigation.';
 
 $string["settingspage_csync"] = 'Synchronize linked cohorts and users to courses';
 $string["setting_csync_heading"] = 'Automatically create a cohort sync in all courses linked to a study plan for all cohorts linked to a study plan';
diff --git a/lang/nl/local_treestudyplan.php b/lang/nl/local_treestudyplan.php
index c664793..443fefa 100644
--- a/lang/nl/local_treestudyplan.php
+++ b/lang/nl/local_treestudyplan.php
@@ -80,8 +80,8 @@ $string["settingspage"] = 'Studieplan instellingen';
 
 $string["setting_navigation_heading"] = 'Navigatie';
 $string["settingdesc_navigation_heading"] = 'Instellingen voor navigatie';
-$string["setting_primary_nav_autofill"] = 'Aangepast menu items automatisch aanvullen';
-$string["settingdesc_primary_nav_autofill"] = 'Om in het primaire navigatiemenu de studieplan links te tonen, moeten regels worden toegevoegd in de instelling <b>Uiterlijk</b> - <b>Thema instellingen</b> - <b>Aangepast menu items</b>. Zet deze optie aan om dat automatisch te doen.';
+$string["setting_primary_nav_autofill"] = '<i>Aangepast menu items</i> automatisch aanvullen';
+$string["settingdesc_primary_nav_autofill"] = 'Om in het primaire navigatiemenu de studieplan links te tonen (vooral in Moodle 4.x), moeten regels worden toegevoegd in <b>Uiterlijk</b>&nbsp;-&nbsp;<b>Thema&nbsp;instellingen</b>&nbsp;<b>Aangepast&nbsp;menu&nbsp;items</b><br>Zet deze functie hier uit als dat niet gewenst is, b.v. als je Moodle (3.11 of lager) thema flat navigation gebruikt.';
 
 $string["setting_display_heading"] = 'Weergave';
 $string["settingdesc_display_heading"] = 'Configuratie voor de weergave van de studieplannen';