diff --git a/Changes b/Changes
index 780cd8d..613af02 100644
--- a/Changes
+++ b/Changes
@@ -6,6 +6,7 @@ o Build PDF files from JPEG2000 (.jp2, .jpf/.jpx) files
 o Mark a file as PDF/UA compliant, or remove such marking
 o Verify compliance to PDF/UA via the Matterhorn protocol
 o Extract, edit and reapply document structure tree
+o Print structure tree summary
 o Split structure tree when splitting PDF to save size
 o Combine structure trees when stamping PDFs
 o Set the natural language of a file
diff --git a/cpdfcommand.ml b/cpdfcommand.ml
index 343d90e..bed7921 100644
--- a/cpdfcommand.ml
+++ b/cpdfcommand.ml
@@ -3444,6 +3444,7 @@ let extract_stream pdf decomp objnum =
    commas. Begins with P and it's a page number then a (possibly empty) chain.
    Otherwise it's an object number (0 = trailerdict). *)
 let print_obj pdf objspec =
+  let split str = map (fun x -> "/" ^ x) (tl (String.split_on_char '/' str)) in
   let simple_obj obj =
     let obj = if obj = 0 then pdf.Pdf.trailerdict else Pdf.lookup_obj pdf obj in
     Printf.printf "%S\n" (Pdfwrite.string_of_pdf obj)
@@ -3459,10 +3460,10 @@ let print_obj pdf objspec =
         let number, chain =
           let digits, rest = cleavewhile isdigit more in
             List.nth (Pdf.page_reference_numbers pdf) (int_of_string (implode digits) - 1),
-            begin match String.split_on_char ',' (implode rest) with [""] -> [] | x -> x end
+            begin match split (implode rest) with [""] -> [] | x -> x end
         in
           chain_obj number chain
-    | '/'::more -> chain_obj 0 (String.split_on_char ',' (implode ('/'::more)))
+    | '/'::more -> chain_obj 0 (split (implode ('/'::more)))
     | [] -> simple_obj 0
     | _ -> simple_obj (int_of_string objspec)
 
diff --git a/cpdfmanual.pdf b/cpdfmanual.pdf
index aa712c6..223bbc9 100644
Binary files a/cpdfmanual.pdf and b/cpdfmanual.pdf differ
diff --git a/cpdfmanual.tex b/cpdfmanual.tex
index a64c711..74e55fa 100644
--- a/cpdfmanual.tex
+++ b/cpdfmanual.tex
@@ -5266,7 +5266,7 @@ We can print an abbreviated form of the structure tree to standard output with \
 
 This JSON file can be edited, for example to change text strings, and reapplied with \texttt{cpdf -replace-struct-tree out.json in.pdf -o out.pdf}. If extra objects are required, they should be introduced with negative object numbers: cpdf will renumber them on import so as not to clash with any existing numbers.
 
-To remove a structure tree from a PDF, we can use \texttt{-remove-dict-entry} from Chapter \ref{chap:misc} i.e \texttt{cpdf -remove-struct-entry /StructTreeRoot in.pdf -o out.pdf}.
+To remove a structure tree from a PDF, we can use \texttt{-remove-dict-entry} from Chapter \ref{chap:misc} i.e \texttt{cpdf -remove-dict-entry /StructTreeRoot in.pdf -o out.pdf}.
 
 \section{Verifying conformance to PDF/UA}
 
@@ -5400,7 +5400,7 @@ Once we are sure a file complies to PDF/UA, in terms of both machine and human c
   \noindent\verb!cpdf -remove-clipping [<range>] in.pdf -o out.pdf!
 
   \vspace{1.5mm}
-  \noindent\verb!cpdf -obj <obj num> in.pdf!
+  \noindent\verb!cpdf -obj <object specification> in.pdf!
 
   \vspace{1.5mm}
   \noindent\verb!cpdf -extract-stream[-decompress] <obj num> in.pdf [-o out.dat | -stdout]!
@@ -5618,14 +5618,14 @@ $ cpdf -obj 1238 out.pdf
 \noindent Alternatively, we may follow a chain of dictionary entries from the trailer dictionary:
 
 {\small\begin{verbatim}
-$ ./cpdf -obj /Root,/Pages,/Count cpdfmanual.pdf
+$ ./cpdf -obj /Root/Pages/Count cpdfmanual.pdf
 "133"
 \end{verbatim}}
 
 \noindent We may also begin at a numbered page instead of at the trailer dictionary:
 
 {\small\begin{verbatim}
-./cpdf -obj P20/Resources,/Font,/F58,/BaseFont cpdfmanual.pdf
+./cpdf -obj P20/Resources/Font/F58/BaseFont cpdfmanual.pdf
 "/MCBERL+URWPalladioL-Roma"
 \end{verbatim}}