diff --git a/CHANGES.html b/CHANGES.html
index 1790197245..29ee4c06db 100644
--- a/CHANGES.html
+++ b/CHANGES.html
@@ -24,6 +24,7 @@
Everything else:
- Object slots are now clickable in the inspector
- The matrices library has been greatly simplified. Matrices are now represented as vectors of vectors, and matrix words have been moved to the
math
vocabulary.
+- More descriptive "out of bounds" errors.
Factor 0.76:
diff --git a/TODO.FACTOR.txt b/TODO.FACTOR.txt
index d7b0e0db9f..188e4f1734 100644
--- a/TODO.FACTOR.txt
+++ b/TODO.FACTOR.txt
@@ -86,7 +86,6 @@
- delegating generic words with a non-standard picker
- powerpc has weird callstack residue
- instances: do not use make-list
-- unions containing tuples do not work properly
- method doc strings
- clean up metaclasses
- vectors: ensure its ok with bignum indices
diff --git a/contrib/cont-responder/cont-numbers-game.factor b/contrib/cont-responder/cont-numbers-game.factor
index ddde1ec541..469a510931 100644
--- a/contrib/cont-responder/cont-numbers-game.factor
+++ b/contrib/cont-responder/cont-numbers-game.factor
@@ -69,7 +69,7 @@ USE: namespaces