diff --git a/src/slic3r/GUI/Gizmos/GLGizmoMmuSegmentation.cpp b/src/slic3r/GUI/Gizmos/GLGizmoMmuSegmentation.cpp
index b452b2f4bb..c992813593 100644
--- a/src/slic3r/GUI/Gizmos/GLGizmoMmuSegmentation.cpp
+++ b/src/slic3r/GUI/Gizmos/GLGizmoMmuSegmentation.cpp
@@ -42,7 +42,7 @@ void GLGizmoMmuSegmentation::on_shutdown()
 std::string GLGizmoMmuSegmentation::on_get_name() const
 {
     // FIXME Lukas H.: Discuss and change shortcut
-    return (_L("MMU painting") + " [N]").ToUTF8().data();
+    return (_L("Multimaterial painting") + " [N]").ToUTF8().data();
 }
 
 bool GLGizmoMmuSegmentation::on_is_selectable() const
diff --git a/src/slic3r/GUI/NotificationManager.cpp b/src/slic3r/GUI/NotificationManager.cpp
index 61b5d8f432..296c8bfd02 100644
--- a/src/slic3r/GUI/NotificationManager.cpp
+++ b/src/slic3r/GUI/NotificationManager.cpp
@@ -1363,7 +1363,7 @@ void NotificationManager::push_updated_item_info_notification(InfoItemType type)
 	switch (type) {
 	case InfoItemType::CustomSupports:      text += _utf8("custom supports."); break;
 	case InfoItemType::CustomSeam:          text += _utf8("custom seam."); break;
-	case InfoItemType::MmuSegmentation:     text += _utf8("MMU segmentation."); break;
+    case InfoItemType::MmuSegmentation:     text += _utf8("multimaterial painting."); break;
 	case InfoItemType::VariableLayerHeight: text += _utf8("variable layer height."); break;
 	case InfoItemType::Sinking:             text = _utf8("Partially sinking object(s) were loaded."); break;
 	default: text.clear(); break;
diff --git a/src/slic3r/GUI/ObjectDataViewModel.cpp b/src/slic3r/GUI/ObjectDataViewModel.cpp
index c7208984e5..3a114fd2c7 100644
--- a/src/slic3r/GUI/ObjectDataViewModel.cpp
+++ b/src/slic3r/GUI/ObjectDataViewModel.cpp
@@ -64,7 +64,7 @@ ObjectDataViewModelNode::ObjectDataViewModelNode(ObjectDataViewModelNode* parent
 {
     m_name           = info_type == InfoItemType::CustomSupports  ? _L("Paint-on supports") :
                        info_type == InfoItemType::CustomSeam      ? _L("Paint-on seam") :
-                       info_type == InfoItemType::MmuSegmentation ? _L("Paint-on segmentation") :
+                       info_type == InfoItemType::MmuSegmentation ? _L("Multimaterial painting") :
                        info_type == InfoItemType::Sinking         ? _L("Sinking") :
                                                                     _L("Variable layer height");
     m_info_item_type = info_type;
diff --git a/src/slic3r/GUI/Plater.cpp b/src/slic3r/GUI/Plater.cpp
index 9338f2ded7..fc77e9b9d8 100644
--- a/src/slic3r/GUI/Plater.cpp
+++ b/src/slic3r/GUI/Plater.cpp
@@ -6134,7 +6134,8 @@ void Plater::clear_before_change_mesh(int obj_idx)
         get_notification_manager()->push_notification(
                     NotificationType::CustomSupportsAndSeamRemovedAfterRepair,
                     NotificationManager::NotificationLevel::RegularNotification,
-                    _u8L("Custom supports and seams were removed after repairing the mesh."));
+                    _u8L("Custom supports, seams and multimaterial painting were "
+                         "removed after repairing the mesh."));
 //                    _u8L("Undo the repair"),
 //                    [this, snapshot_time](wxEvtHandler*){
 //                        // Make sure the snapshot is still available and that