diff --git a/Doc/info/texipre.dat b/Doc/info/texipre.dat
index ec6576a..93b4945 100644
--- a/Doc/info/texipre.dat
+++ b/Doc/info/texipre.dat
@@ -14,7 +14,7 @@
 gives a more formal definition of the language.  (These manuals are not
 yet available in INFO or Texinfo format.)
 
-Copyright (C) 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
+Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
 The Netherlands.
 
                         All Rights Reserved
diff --git a/Doc/texipre.dat b/Doc/texipre.dat
index ec6576a..93b4945 100644
--- a/Doc/texipre.dat
+++ b/Doc/texipre.dat
@@ -14,7 +14,7 @@
 gives a more formal definition of the language.  (These manuals are not
 yet available in INFO or Texinfo format.)
 
-Copyright (C) 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
+Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
 The Netherlands.
 
                         All Rights Reserved