diff --git a/doc/Manual.html b/doc/Manual.html
index a092b228bf..adc7c8fcb9 100644
--- a/doc/Manual.html
+++ b/doc/Manual.html
@@ -22,7 +22,7 @@
 
 <CENTER><H3>LAMMPS Documentation 
 </H3></CENTER>
-<CENTER><H4>12 May 2013 version 
+<CENTER><H4>13 May 2013 version 
 </H4></CENTER>
 <H4>Version info: 
 </H4>
diff --git a/doc/Manual.txt b/doc/Manual.txt
index 45ac22bda7..fbafab432d 100644
--- a/doc/Manual.txt
+++ b/doc/Manual.txt
@@ -18,7 +18,7 @@
 <H1></H1>
 
 LAMMPS Documentation :c,h3
-12 May 2013 version :c,h4
+13 May 2013 version :c,h4
 
 Version info: :h4