diff --git a/TODO b/TODO
index c431dd426..64c14b387 100644
--- a/TODO
+++ b/TODO
@@ -29,3 +29,4 @@ TODO:
 * auto type info data from types if present
 * group review: use handler as base with protected members and arrays of common type (see view for further details)
 * swap sets in swap-only mode, return scoped iterators by default, make ::free_list return an iterator if possible
+* review names of test classes (_t vs non-_t)