diff --git a/docs/doxygen/overviews/refcount.h b/docs/doxygen/overviews/refcount.h
index f977babfbb..081cad74eb 100644
--- a/docs/doxygen/overviews/refcount.h
+++ b/docs/doxygen/overviews/refcount.h
@@ -78,6 +78,12 @@ operators and copy constructors since they are reference-counted:
 @li wxBrush
 @li wxCursor
 @li wxFont
+@li wxGraphicsBrush
+@li wxGraphicsContext
+@li wxGraphicsFont
+@li wxGraphicsMatrix
+@li wxGraphicsPath
+@li wxGraphicsPen
 @li wxIcon
 @li wxImage
 @li wxMetafile