diff --git a/doc/ctlseqs.texi b/doc/ctlseqs.texi
index d017287..6388e36 100644
--- a/doc/ctlseqs.texi
+++ b/doc/ctlseqs.texi
@@ -1,6 +1,25 @@
-\input texinfo @c -*-texinfo-*-
+\input texinfo  @c -*-texinfo-*-
+
 @c %**start of header
 @setfilename ctlseqs.info
 @include version.texi
-@settitle ctlseqs @value{VERSION}
+@settitle ctlseqs @value{VERSION} Manual
 @c %**end of header
+
+@copying
+This documentation is for ctlseqs, a library which provides C API for
+handling ECMA-35/ECMA-48 compatible escape sequences.
+
+Copyright @copyright{} 2021  CismonX <admin@@cismon.net>
+
+@quotation
+Permission is granted to copy, distribute and/or modify this document
+under the terms of the GNU Free Documentation License, Version 1.3 or
+any later version published by the Free Software Foundation; with no
+Invariant Sections, with no Front-Cover Texts, and with no Back-Cover
+Texts.  A copy of the license is included in the section entitled
+``GNU Free Documentation License''.
+@end quotation
+@end copying
+
+@bye