diff --git a/docu/mars-manual.lyx b/docu/mars-manual.lyx
index 71ef2675..f5bb04de 100644
--- a/docu/mars-manual.lyx
+++ b/docu/mars-manual.lyx
@@ -136,11 +136,11 @@ Version 0.17
 
 \begin_layout Lowertitleback
 \noindent
-Copyright (C) 2013 Thomas Schöbel-Theuer / 1&1 Internet AG
+Copyright (C) 2013-14 Thomas Schöbel-Theuer
 \begin_inset Newline newline
 \end_inset
 
-(see 
+Copyright (C) 2013-14 1&1 Internet AG (see 
 \begin_inset Flex URL
 status open