diff --git a/doc/software-manual.tex b/doc/software-manual.tex
index 5ecae0486107218ad5af13b5fd65a6a53e2f30c7..cf6f265b1d8cca27680944d2f5ffb3976a86a9c4 100644
--- a/doc/software-manual.tex
+++ b/doc/software-manual.tex
@@ -6768,6 +6768,12 @@ When a non-empty file name is specified, object mask information using the decod
 If no value is specified, the SEI message will not be output.
 \\
 
+\Option{SEIPackedRegionsInfoFilename} &
+%\ShortOption{\None} &
+\Default{\NotSet} &
+Packed regions info output file name. If empty, no object information will be saved.
+\\
+
 \end{OptionTableNoShorthand}