diff --git a/examples/layers/rendering/hello_world.dart b/examples/layers/rendering/hello_world.dart
index 84f39a6..6716b0d 100644
--- a/examples/layers/rendering/hello_world.dart
+++ b/examples/layers/rendering/hello_world.dart
@@ -14,7 +14,7 @@
     // child both vertically and horizontally.
     root: new RenderPositionedBox(
       alignment: const FractionalOffset(0.5, 0.5),
-      // We use a RenderParagraph to display the text "Hello, world." without
+      // We use a RenderParagraph to display the text 'Hello, world.' without
       // any explicit styling.
       child: new RenderParagraph(new PlainTextSpan('Hello, world.'))
     )