diff --git a/material_maker/doc/user_interface_library_panel.rst b/material_maker/doc/user_interface_library_panel.rst
index 960a9af17..a2ca216de 100644
--- a/material_maker/doc/user_interface_library_panel.rst
+++ b/material_maker/doc/user_interface_library_panel.rst
@@ -72,6 +72,6 @@ give focus to the search field using the **Control+F** keyboard shortcut.
   :align: center
 
 Each item in the tree view has a context menu that can be used to rename it, redefine
-its thumbnail (using the current 2D preview), or delete it. It is also possible to
-define name aliases that will be used by the filter (in the library panel and in the
-Nodes menu).
+its thumbnail (using the current 2D preview), updated (replaced with current selection),
+or delete it. It is also possible to define name aliases that will be used by the filter
+(in the library panel and in the Nodes menu).
diff --git a/material_maker/main_window.gd b/material_maker/main_window.gd
index 322cfa361..8ad059fa2 100644
--- a/material_maker/main_window.gd
+++ b/material_maker/main_window.gd
@@ -1048,22 +1048,24 @@ func create_menu_add_to_library(menu : MMMenuManager.MenuBase, manager, function
 func create_menu_add_selection_to_library(menu : MMMenuManager.MenuBase) -> void:
 	create_menu_add_to_library(menu, node_library_manager, "add_selection_to_library")
 
-func add_selection_to_library(index) -> void:
+func add_selection_to_library(index: int, should_ask_item_name: bool = true) -> void:
 	var selected_nodes = get_selected_nodes()
 	if selected_nodes.is_empty():
 		return
-	var dialog = preload("res://material_maker/windows/line_dialog/line_dialog.tscn").instantiate()
-	dialog.content_scale_factor = mm_globals.main_window.get_window().content_scale_factor
-	dialog.min_size = Vector2(250, 90) * dialog.content_scale_factor
-	add_child(dialog)
-	var current_item_name = ""
+	var current_item_name : String = ""
 	if library.is_inside_tree():
 		current_item_name = library.get_selected_item_name()
-	var status = await dialog.enter_text("New library element", "Select a name for the new library element", current_item_name)
-	if ! status.ok:
-		return
+	if should_ask_item_name:
+		var dialog = preload("res://material_maker/windows/line_dialog/line_dialog.tscn").instantiate()
+		dialog.content_scale_factor = mm_globals.main_window.get_window().content_scale_factor
+		dialog.min_size = Vector2(250, 90) * dialog.content_scale_factor
+		add_child(dialog)
+		var status = await dialog.enter_text("New library element", "Select a name for the new library element", current_item_name)
+		if ! status.ok:
+			return
+		current_item_name = status.text
 	var graph_edit : MMGraphEdit = get_current_graph_edit()
-	var data
+	var data : Dictionary
 	if selected_nodes.size() == 1:
 		data = selected_nodes[0].generator.serialize()
 		data.erase("node_position")
@@ -1073,7 +1075,7 @@ func add_selection_to_library(index) -> void:
 	var result = await selected_nodes[0].generator.render(self, 0, 64, true)
 	var image : Image = result.get_image()
 	result.release(self)
-	node_library_manager.add_item_to_library(index, status.text, image, data)
+	node_library_manager.add_item_to_library(index, current_item_name, image, data)
 
 func create_menu_add_brush_to_library(menu : MMMenuManager.MenuBase) -> void:
 	create_menu_add_to_library(menu, brush_library_manager, "add_brush_to_library")
diff --git a/material_maker/panels/library/library.gd b/material_maker/panels/library/library.gd
index f229150de..72c3aef58 100644
--- a/material_maker/panels/library/library.gd
+++ b/material_maker/panels/library/library.gd
@@ -378,9 +378,11 @@ func _on_PopupMenu_index_pressed(index):
 				return
 			var image : Image = await current_node.generator.render_output(0, Vector2i(64, 64))
 			library_manager.update_item_icon_in_library(library_index, item_path, image)
-		2: # Delete item
+		2: # Update item
+			mm_globals.main_window.add_selection_to_library(library_index, false)
+		3: # Delete item
 			library_manager.remove_item_from_library(library_index, item_path)
-		4: # Define aliases
+		5: # Define aliases
 			var aliases = library_manager.get_aliases(item_path)
 			var dialog = preload("res://material_maker/windows/line_dialog/line_dialog.tscn").instantiate()
 			dialog.content_scale_factor = mm_globals.main_window.get_window().content_scale_factor
diff --git a/material_maker/panels/library/library.tscn b/material_maker/panels/library/library.tscn
index d8bb49c65..45adda47f 100644
--- a/material_maker/panels/library/library.tscn
+++ b/material_maker/panels/library/library.tscn
@@ -74,17 +74,19 @@ clip_text = true
 
 [node name="ItemMenu" type="PopupMenu" parent="."]
 unique_name_in_owner = true
-item_count = 5
+item_count = 6
 item_0/text = "Rename item"
 item_0/id = 0
 item_1/text = "Update thumbnail"
 item_1/id = 1
-item_2/text = "Remove item"
+item_2/text = "Update item"
 item_2/id = 2
+item_3/text = "Delete item"
 item_3/id = 3
-item_3/separator = true
-item_4/text = "Define aliases"
 item_4/id = 4
+item_4/separator = true
+item_5/text = "Define aliases"
+item_5/id = 5
 
 [connection signal="text_changed" from="Library/Filter/Filter" to="." method="_on_Filter_text_changed"]
 [connection signal="about_to_popup" from="Library/Filter/Libraries" to="." method="_on_Libraries_about_to_show"]