diff --git a/cpdfmanual.pdf b/cpdfmanual.pdf
index 09c7c40..5746dc0 100644
Binary files a/cpdfmanual.pdf and b/cpdfmanual.pdf differ
diff --git a/cpdfmanual.tex b/cpdfmanual.tex
index 48c98fb..27bfb43 100644
--- a/cpdfmanual.tex
+++ b/cpdfmanual.tex
@@ -2500,7 +2500,8 @@ font size and color.
     \texttt{\%Label} & The page label of the page \\
     \texttt{\%EndLabel} & The page label of the last page \\
     \texttt{\%filename} & The full file name of the input document \\
-    \texttt{\%URL[text|URL]} & Add \texttt{text}, which links to \texttt{URL} (does not work for diagonal text)
+    \texttt{\%URL[text|URL]} & Add \texttt{text}, which links to \texttt{URL} (does not work for diagonal text)\\
+    \texttt{\%Bookmark<n>} & Bookmark text at level n (0, 1, 2, 3, 4)\\
   \end{tabular}
 
   \vspace{2mm}
@@ -2508,6 +2509,8 @@ font size and color.
 
   NB: In some circumstances (e.g in batch files) on Microsoft Windows, \verb!%! is a special character, and must be escaped (written as \verb$%%$). Consult your local documentation for details.
 
+Bookmark text refers to the first bookmark of the given level on the stamped page or, if none, the last bookmark text of that level before that page, so long as uninterrupted by a bookmark of lower level. In other words, these specials are suitable for adding running heads to a document.
+
   \subsection{Date and Time Formats}
   \begin{tabular}{ll}
     \texttt{\%a} & Abbreviated weekday name (Sun, Mon etc.)\\