diff --git a/libraries/gtkglarea/slack-desc b/libraries/gtkglarea/slack-desc
index cd0afa0375..bff554f178 100644
--- a/libraries/gtkglarea/slack-desc
+++ b/libraries/gtkglarea/slack-desc
@@ -6,7 +6,7 @@
 # customary to leave one space after the ':' except on otherwise blank lines.
 
          |-----handy-ruler------------------------------------------------------|
-gtkglarea: GtkGLArea (OpenGL widget for GTK+)
+gtkglarea: gtkglarea (OpenGL widget for GTK+)
 gtkglarea:
 gtkglarea: GtkGLArea is an OpenGL widget for GTK+ GUI toolkit.
 gtkglarea: Just as GTK+ is built on top of GDK, GtkGLArea is built on top of