Manual: fixed old HChacha20 function name

diff --git a/doc/man/man3/advanced/crypto_x25519.3monocypher b/doc/man/man3/advanced/crypto_x25519.3monocypher
index e39c0d4d575f3f480a7a665f20a60d17f0ab158e..ef18a9b1f1962a27c7d7be37b6066855becb9309 100644 (file)
--- a/doc/man/man3/advanced/crypto_x25519.3monocypher
+++ b/doc/man/man3/advanced/crypto_x25519.3monocypher
@@ -96,7 +96,7 @@ The shared secret, known only to those who know a relevant secret key
 It is not cryptographically random.
 Do not use it directly as a key.
 Hash it with
-.Xr crypto_chacha20_H 3monocypher
+.Xr crypto_hchacha20 3monocypher
 or
 .Xr crypto_blake2b 3monocypher
 first.