crypto_ietf_chacha20: Add missing section to .Xr

While there and bumping dates, fix authorship years for the CC0 part.

diff --git a/doc/man/man3/crypto_ietf_chacha20.3monocypher b/doc/man/man3/crypto_ietf_chacha20.3monocypher
index ca4455e45426437369ca987826340da6a3b390e1..4352016323bb707c278d6a0cf7e9927aab11adbb 100644 (file)
--- a/doc/man/man3/crypto_ietf_chacha20.3monocypher
+++ b/doc/man/man3/crypto_ietf_chacha20.3monocypher
@@ -8,7 +8,7 @@
 .\"
 .\" ----------------------------------------------------------------------------
 .\"
-.\" Copyright (c) 2019 Fabio Scotoni
+.\" Copyright (c) 2019-2020 Fabio Scotoni
 .\" All rights reserved.
 .\"
 .\"
@@ -38,7 +38,7 @@
 .\"
 .\" ----------------------------------------------------------------------------
 .\"
-.\" Written in 2017-2019 by Fabio Scotoni
+.\" Written in 2019-2020 by Fabio Scotoni
 .\"
 .\" To the extent possible under law, the author(s) have dedicated all copyright
 .\" and related neighboring rights to this software to the public domain
@@ -48,7 +48,7 @@
 .\" with this software.  If not, see
 .\" <https://creativecommons.org/publicdomain/zero/1.0/>
 .\"
-.Dd December 12, 2019
+.Dd March 31, 2020
 .Dt CRYPTO_IETF_CHACHA20 3MONOCYPHER
 .Os
 .Sh NAME
@@ -80,7 +80,7 @@ primitive as specified by the IETF in RFC 8439.
 They are provided strictly for compatibility with existing systems
 or strict standards compliance.
 New programs are strongly encouraged to use
-.Xr crypto_xchacha20
+.Xr crypto_xchacha20 3monocypher
 instead.
 .Pp
 Chacha20 is a low-level primitive.