diff --git a/cpdfannot.ml b/cpdfannot.ml
index 82f6335..8b136c3 100644
--- a/cpdfannot.ml
+++ b/cpdfannot.ml
@@ -157,10 +157,7 @@ let get_annotations encoding pdf =
 
 (** Set annotations from JSON, keeping any existing ones. *)
 let set_annotations_json pdf i =
-  let module J = Cpdfyojson.Safe in
-  let content = Pdfio.string_of_input i in
-  let json = J.from_string content in
-  match json with
+  match Cpdfyojson.Safe.from_string (Pdfio.string_of_input i) with
   | `List entries ->
       (* Renumber the PDF so everything has bigger object numbers than that. *)
       let maxobjnum =
diff --git a/cpdfmanual.pdf b/cpdfmanual.pdf
index 31e177a..d89f1b9 100644
Binary files a/cpdfmanual.pdf and b/cpdfmanual.pdf differ
diff --git a/cpdfmanual.tex b/cpdfmanual.tex
index 9e180e8..5eeb0b9 100644
--- a/cpdfmanual.tex
+++ b/cpdfmanual.tex
@@ -60,7 +60,7 @@ Command Line Tools}
 \vspace{12mm}
 
 {\Huge User Manual}\\
-Version 2.5 (January 2022)
+Version 2.6 (August 2023)
 
 \vspace{25mm}
 
@@ -84,7 +84,7 @@ Version 2.5 (January 2022)
 \noindent For bug reports, feature requests and comments, email\\ \texttt{contact@coherentgraphics.co.uk}
 
 \vspace*{\fill}
-\noindent\copyright 2022 Coherent Graphics Limited. All rights reserved. ISBN 978-0957671140
+\noindent\copyright Coherent Graphics Limited. All rights reserved. ISBN 978-0957671140
 
 \smallgap 
 \noindent Adobe, Acrobat, and Adobe PDF are
@@ -1708,6 +1708,9 @@ person:
   \noindent Add these options to the command line to prevent each operation.
 
   \vspace{2mm}
+\noindent\textit{Note: Adobe Acrobat and Adobe Reader may show slightly different permissions in info dialogues -- this is a result of policy changes and not a bug in \textup{cpdf}. You may need to experiment.}
+
+  \vspace{2mm}
 
   \section{Encrypting a Document}
   To encrypt a document, the owner and user passwords must be given (here, \texttt{fred} and \texttt{charles} respectively):
@@ -2827,7 +2830,6 @@ This produces an array of (page number, annotation) pairs giving the PDF structu
     "/StructParent": { "I": 10 } } ]
 \end{verbatim}}
 
-A future version of \texttt{cpdf} will allow these JSON annotations to be edited and re-loaded into a PDF file.
 
   \section{Copying Annotations}
 \index{annotations!copying}