diff --git a/controlcandidates.md b/controlcandidates.md
index 185e932..8963448 100644
--- a/controlcandidates.md
+++ b/controlcandidates.md
@@ -40,6 +40,7 @@ GTK+
 	- OpenGL is done outside GTK+: https://projects.gnome.org/gtkglext/
 		- only an issue if I want to provide OpenGL by default...
 		- http://stackoverflow.com/questions/3815806/gtk-and-opengl-bindings suggest GtkGLArea is better but that seems to be a Mono thing? also indicates Clutter (with its Cogl) is not an option
+			- er no, the Mono thing is just the homepage... but it doesn't say if this targets GTK+ 2 or GTK+ 3, hm. (also it appears to not have been updated since Precise; in Ubuntu it's libgtkgl)
 
 COCOA
 - NSDatePicker for date/time selection