diff --git a/Lib/idlelib/idle_test/example_stub.pyi b/Lib/idlelib/idle_test/example_stub.pyi
index 17b58010a9d..abcdbc17529 100644
--- a/Lib/idlelib/idle_test/example_stub.pyi
+++ b/Lib/idlelib/idle_test/example_stub.pyi
@@ -1,4 +1,4 @@
-" Example to test recognition of .pyi file as Python source code.
+# An example file to test recognition of a .pyi file as Python source code.
 
 class Example:
     def method(self, argument1: str, argument2: list[int]) -> None: ...