diff --git a/cpdfmanual.pdf b/cpdfmanual.pdf
index 00edfdf..5259e64 100644
Binary files a/cpdfmanual.pdf and b/cpdfmanual.pdf differ
diff --git a/cpdfmanual.tex b/cpdfmanual.tex
index fc26eca..d16434d 100644
--- a/cpdfmanual.tex
+++ b/cpdfmanual.tex
@@ -1,4 +1,3 @@
-%Document %objnum in -extract-images
 %\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,
@@ -5758,6 +5757,9 @@ A role map, which maps non-standard structure types to standard ones, may be set
   \vspace{1.5mm}
   \noindent\verb!cpdf -replace-struct-tree in.json in.pdf -o out.pdf!
 
+  \vspace{1.5mm}
+  \noindent\verb!cpdf -remove-struct-tree in.pdf -o out.pdf!
+
   \vspace{1.5mm}
   \noindent\verb!cpdf -verify "PDF/UA-1(matterhorn)" [-json] in.pdf!
 
@@ -5790,6 +5792,8 @@ We can print an abbreviated form of the structure tree to standard output:
 
 \noindent This might yield:
 
+\smallgap
+
 \begin{minipage}{\linewidth}
 \begin{framed}
 \begin{verbatim}
@@ -5869,12 +5873,14 @@ This JSON file can be edited, for example to change text strings, and reapplied
 
 \noindent 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}, in other words:
+To remove a structure tree from a PDF, we can use \texttt{-remove-struct-tree}:
 
   \begin{framed}
-    \noindent\small\verb!cpdf -remove-dict-entry /StructTreeRoot in.pdf -o out.pdf!
+    \noindent\small\verb!cpdf -remove-struct-tree in.pdf -o out.pdf!
   \end{framed}
 
+\noindent This removes the structure tree and all references to it.
+
 \section{Verifying conformance to PDF/UA}
 
 Cpdf contains a new, experimental verifier for PDF/UA via most of the machine-checkable subset of the Matterhorn Protocol, a list of checks based on the PDF/UA-1 specification. For example, we can run: