diff --git a/doc/classes/SceneTree.xml b/doc/classes/SceneTree.xml
index 2c99815abf3..cfe6e4f7384 100644
--- a/doc/classes/SceneTree.xml
+++ b/doc/classes/SceneTree.xml
@@ -75,6 +75,7 @@
 				    yield(get_tree().create_timer(1.0), "timeout")
 				    print("end")
 				[/codeblock]
+				The timer will be automatically freed after its time elapses.
 			</description>
 		</method>
 		<method name="get_frame" qualifiers="const">