diff --git a/docs/methpipe-manual.pdf b/docs/methpipe-manual.pdf
index 4422ea3..72d9b8f 100644
Binary files a/docs/methpipe-manual.pdf and b/docs/methpipe-manual.pdf differ
diff --git a/docs/methpipe-manual.tex b/docs/methpipe-manual.tex
index 50fd1e2..5dbeede 100644
--- a/docs/methpipe-manual.tex
+++ b/docs/methpipe-manual.tex
@@ -419,22 +419,18 @@ \subsection{Computing single-site methylation levels}
 of methylation is asymmetric since the cytosines on the complementary 
 strand do not necessarily have the same methylation status.
 
-The input is in mapped read format, and the reads should be sorted
-according to (chrom, end, start, strand). If your reads are not
+The input is in mapped read format. The reads should be sorted and duplicate reads should be removed (same steps as in section 2.2). If your reads are not
 sorted, run:
 
 \begin{verbatim}
-$ LC_ALL=C sort -k 1,1 -k 3,3n -k 2,2n -k 6,6 \
-       -o Human_ESC.mr.sorted_end_first Human_ESC.mr
+$ LC_ALL=C sort -k 1,1 -k 2,2n -k 3,3n -k 6,6 \
+       -o Human_ESC.mr.sorted_start Human_ESC.mr
 \end{verbatim}
-
-Since \prog{methcounts} can only take one input file, if you have
-multiple you can merge them using the \op{-m} option to the
-\prog{sort} program:
+If duplicate reads are not removed, run:
 
 \begin{verbatim}
-$ LC_ALL=C sort -m -k 1,1 -k 3,3n -k 2,2n -k 6,6 \
-       -o Human_ESC.mr.sorted_end_first Human_ESC.mr.1 Human_ESC.mr.2
+$ duplicate-remover -S Human_ESC_dremove_stat.txt \
+                      -o Human_ESC.mr.dremove Human_ESC.mr.sorted_start
 \end{verbatim}
 
 \paragraph{Running \prog{methcounts}:}