diff --git a/doc/software-manual.tex b/doc/software-manual.tex
index fbcef0764f52099ac9faa6dfbe1c6126e150697a..16836f29ff6b27b771eb15e2048f38ad049e3c94 100644
--- a/doc/software-manual.tex
+++ b/doc/software-manual.tex
@@ -1404,6 +1404,13 @@ residual coding mode.  This option corresponds to the value of cb_cr_qp_offset
 transmitted in the PPS.  Valid values are in the range $[-12, 12]$.
 \\
 
+\Option{CbCrQpOffsetDualTree} &
+\Default{0} &
+Tile group QP offset for joint Cb-Cr residual coding mode when separate luma and
+chroma trees are used.  This option corresponds to the value of tile_group_cb_cr_qp_offset
+transmitted in the tile group header. Valid values are in the range $[-12, 12]$.
+\\
+
 \Option{LumaLevelToDeltaQPMode} &
 \Default{0} &
 Luma-level based Delta QP modulation.