diff --git a/cpdfmanual.tex b/cpdfmanual.tex
index 5c74a57..949286f 100644
--- a/cpdfmanual.tex
+++ b/cpdfmanual.tex
@@ -2,6 +2,7 @@
 %Document CCITT and CCITTG4 in -process-images
 %Document -decompress-just-content
 %Document -contains-javascript and -remove-javascript
+%Document what UTF8 does w.r.t @B in -split-bookmarks
 %\DocumentMetadata{lang=en, pdfversion=2.0, pdfstandard=ua-2, pdfstandard=a-4f, testphase={phase-III, title, table, math, firstaid}}
 \documentclass{book}
 % Edit here to produce cpdfmanual.pdf, cpdflibmanual.pdf, pycpdfmanual.pdf,