diff --git a/doc/Manual.html b/doc/Manual.html
index ba5f912d7d..f9372ad6af 100644
--- a/doc/Manual.html
+++ b/doc/Manual.html
@@ -22,7 +22,7 @@
LAMMPS Documentation
-27 Jan 2013 version
+31 Jan 2013 version
Version info:
diff --git a/doc/Manual.txt b/doc/Manual.txt
index 08e17dbb2d..9310a102dc 100644
--- a/doc/Manual.txt
+++ b/doc/Manual.txt
@@ -18,7 +18,7 @@
LAMMPS Documentation :c,h3
-27 Jan 2013 version :c,h4
+31 Jan 2013 version :c,h4
Version info: :h4