diff --git a/gtk/gtklevelbar.c b/gtk/gtklevelbar.c
index 9de0d2d6fa..ef41b5ec17 100644
--- a/gtk/gtklevelbar.c
+++ b/gtk/gtklevelbar.c
@@ -64,7 +64,7 @@
  *   //   background-color: magenta;
  *   //   border-style: solid;
  *   //   border-color: black;
- *   //   border-style: 1px;
+ *   //   border-width: 1px;
  *   // }
  *
  *   gtk_level_bar_add_offset_value (bar, "my-offset", 0.60);