diff --git a/TODO b/TODO
index c664507b3..6e1260b9d 100644
--- a/TODO
+++ b/TODO
@@ -219,4 +219,8 @@ Adapt tools like wc, tr, fmt, etc. (most of the textutils) to be
 
 Remove all uses of the `register' keyword
 
-rm: add support for a -I option, like that from FreeBSD's rm.
+rm: add support for a -I option, like that from FreeBSD's rm:
+   -I    Request confirmation once if more than three files are being
+         removed or if a directory is being recursively removed.  This
+         is a far less intrusive option than -i yet provides almost
+         the same level of protection against mistakes.