diff --git a/course/lesson-21-strings/visuals/ExampleCombo.tscn b/course/lesson-21-strings/visuals/ExampleCombo.tscn
index 02215a63..7ebb2992 100644
--- a/course/lesson-21-strings/visuals/ExampleCombo.tscn
+++ b/course/lesson-21-strings/visuals/ExampleCombo.tscn
@@ -14,7 +14,7 @@ var combo = [\"jump\", \"damage\", \"damage\", \"jump\", \"level\"]
 
 func run():
 	# Running as a private method to avoid returning a \"GDScriptFunctionState\"
-	# to RunnableCodeExample after \"yield()\".
+	# to RunnableCodeExample after \"yield(...)\".
 	_run()