diff --git a/cpdfcommand.ml b/cpdfcommand.ml
index fffcab2..1bd13b2 100644
--- a/cpdfcommand.ml
+++ b/cpdfcommand.ml
@@ -2311,10 +2311,10 @@ and specs =
        " Flip pages vertically");
    ("-crop",
        Arg.String setcrop,
-       " Crop specified pages");
+       " Crop specified pages (synonym for -cropbox)");
    ("-cropbox",
        Arg.String setcrop,
-       " Crop specified pages (synonym for -crop)");
+       " Crop specified pages");
    ("-artbox",
        Arg.String setart,
        " Set art box for specified pages");
diff --git a/cpdfmanual.pdf b/cpdfmanual.pdf
index 71eaf74..c319a6d 100644
Binary files a/cpdfmanual.pdf and b/cpdfmanual.pdf differ
diff --git a/cpdfmanual.tex b/cpdfmanual.tex
index 1ddb1dc..25f9926 100644
--- a/cpdfmanual.tex
+++ b/cpdfmanual.tex
@@ -853,7 +853,7 @@ supported:
 \end{tabular}
 \end{center}
 
-\noindent For example, one may write \texttt{14mm} or \texttt{21.6in}. In addition, the following letters stand, in some operations (\texttt{-scale-page}, \texttt{-scale-to-fit}, \texttt{-scale-contents}, \texttt{-shift}, \texttt{-mediabox},\\ \texttt{-crop}) for various page dimensions:
+\noindent For example, one may write \texttt{14mm} or \texttt{21.6in}. In addition, the following letters stand, in some operations (\texttt{-scale-page}, \texttt{-scale-to-fit}, \texttt{-scale-contents}, \texttt{-shift}, \texttt{-mediabox},\\ \texttt{-cropbox}) for various page dimensions:
 
 \begin{center}
 \begin{tabular}{rl}