diff --git a/photobook.cls b/photobook.cls
index 5415734..850af0a 100644
--- a/photobook.cls
+++ b/photobook.cls
@@ -33,6 +33,8 @@
 %		to edit it directly, edit the source instead.
 %
 %
+% XXC FEATURE image spread: add ability to push image sides outward to
+%		account for gutter.,,
 % XXX revise \clearcaption / \captionclearpage...
 % XXX unify API -- see CellContent env...
 % XXX make this loadable both as a class and as a package...