diff --git a/demos/gtk-demo/gears.c b/demos/gtk-demo/gears.c
index 3be4aa352b..b1f58e8840 100644
--- a/demos/gtk-demo/gears.c
+++ b/demos/gtk-demo/gears.c
@@ -1,4 +1,4 @@
-/* Gears
+/* OpenGL/Gears
  *
  * This is a classic OpenGL demo, running in a GtkGLArea.
  */
diff --git a/demos/gtk-demo/glarea.c b/demos/gtk-demo/glarea.c
index 653900d057..a72cf7c376 100644
--- a/demos/gtk-demo/glarea.c
+++ b/demos/gtk-demo/glarea.c
@@ -1,4 +1,4 @@
-/* OpenGL Area
+/* OpenGL/OpenGL Area
  *
  * GtkGLArea is a widget that allows custom drawing using OpenGL calls.
  */