diff --git a/META b/META
index c7b414a..db434fa 100644
--- a/META
+++ b/META
@@ -1,6 +1,6 @@
 name="cpdf"
 description="High-level pdf tools based on CamlPDF"
-version="2.3"
+version="2.4"
 requires="camlpdf"
 archive(byte)="cpdf.cma"
 archive(native)="cpdf.cmxa"
diff --git a/cpdfmanual.pdf b/cpdfmanual.pdf
index d6a3c38..443c8a7 100644
Binary files a/cpdfmanual.pdf and b/cpdfmanual.pdf differ
diff --git a/cpdfmanual.tex b/cpdfmanual.tex
index 9d23b2c..15f8401 100644
--- a/cpdfmanual.tex
+++ b/cpdfmanual.tex
@@ -1367,6 +1367,9 @@ the file using a different page range each time.
   \vspace{1.5mm}
   \noindent\small\verb!cpdf -remove-text in.pdf [<range>] -o out.pdf!
 
+  \vspace{1.5mm}
+  \noindent\small\verb!cpdf -add-rectangle "x y" [<position>] [<colour>] in.pdf -o out.pdf!
+
   \vspace{1.5mm}
   \noindent\small NB: See discussion of \texttt{-fast} in Section \ref{fast}.
   \end{framed}