--- ray/doc/notes/ReleaseNotes	2023/12/06 01:27:00	1.435
+++ ray/doc/notes/ReleaseNotes	2023/12/12 16:31:45	1.439
@@ -2643,7 +2643,7 @@ of them.
 
 Added spectral picture support to rcrop and radcompare.
 
-Added new utility, rmtxcomb, which is hard to type and hard to
+Added new utility, rcomb, which is hard to type and hard to
 pronounce, and probably equally difficult to use.  Sort of a
 combination of rmtxop and pcomb, it works with all the inputs and
 outputs that rmtxop handles, but allows for general expressions
@@ -2654,3 +2654,11 @@ over rmtxop by operating on a row at a time, so can ha
 input and output matrices with any number of rows.  It does
 provide for a single matrix-multiplication operation at the end,
 which only requires memory for that final matrix.
+
+Added support for filtering hyperspectral images to pfilt.
+
+Added support for 1- and 3-component float matrix i/o to
+pcomb to allow for better interoperability.
+
+Added support for -co+ option to rtpict, so it can directly
+produce hyperspectral images.