diff --git a/README.md b/README.md
index 74bff39..b6db242 100644
--- a/README.md
+++ b/README.md
@@ -31,7 +31,8 @@ The type of script is determined by the line (meta tag) at the beginning of the
 * 4.5.2 - added `anim` and `morph` packages, added `calendar:open_event()` function;
 * 4.5.3 - removed get_ prefixes where they are not needed while maintaining backward compatibility;
 * 4.5.5 - added `on_action` callback and `calendar:add_event` function;
-* 4.5.6 - `aio:active_widgets()` now returns also widget `label`, added `checks` module.
+* 4.5.6 - `aio:active_widgets()` now returns also widget `label`, added `checks` module;
+* 4.5.7 - added "fold" and "unfold" actions to `on_action` callback.
 
 # Widget scripts
 
@@ -255,7 +256,7 @@ The script can track screen operations such as adding, removing or moving a widg
 
 ```
 function on_widget_action(action, name)
-    ui:show_toast(name..." action)
+    ui:show_toast(name.." "..action)
 end
 ```
 
diff --git a/samples/on_widget_action_test.lua b/samples/on_widget_action_test.lua
new file mode 100644
index 0000000..b95153b
--- /dev/null
+++ b/samples/on_widget_action_test.lua
@@ -0,0 +1,8 @@
+function on_resume()
+    ui:show_text("Empty")
+end
+
+function on_widget_action(action, name)
+    ui:show_toast(name.." "..action)
+end
+