diff --git a/docs/manual/manual_rev51.doc b/docs/manual/manual_rev51.doc
index c6a0e2c..7642133 100644
Binary files a/docs/manual/manual_rev51.doc and b/docs/manual/manual_rev51.doc differ
diff --git a/docs/manual/manual_rev51.pdf b/docs/manual/manual_rev51.pdf
index 6e7060f..535b2a6 100644
Binary files a/docs/manual/manual_rev51.pdf and b/docs/manual/manual_rev51.pdf differ