diff --git a/doc/TODO b/doc/TODO
index 9a40b9b495..1be7877b59 100644
--- a/doc/TODO
+++ b/doc/TODO
@@ -110,6 +110,7 @@ TYPES
 * Allow LOCALE on a per-column basis, default to ASCII
 * Allow array on int8[]
 * Allow nulls in arrays
+* Allow arrays to be ORDER'ed
 * Remove Money type, add money formatting for decimal type
 * Declare typein/out functions in pg_proc with a special "C string" data type
 * Add non-large-object binary field