diff --git a/share/man/man9/crypto_buffer.9 b/share/man/man9/crypto_buffer.9
index f2464600dae3..333fc5ec449f 100644
--- a/share/man/man9/crypto_buffer.9
+++ b/share/man/man9/crypto_buffer.9
@@ -30,7 +30,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd August 12, 2020
+.Dd September 24, 2020
 .Dt CRYPTO_BUFFER 9
 .Os
 .Sh NAME
@@ -325,3 +325,13 @@ returns true if the request uses a separate output buffer.
 .Xr crypto_session 9 ,
 .Xr mbuf 9 ,
 .Xr uio 9
+.Sh HISTORY
+The
+.Nm
+functions first appeared in
+.Fx 13 .
+.Sh AUTHORS
+The
+.Nm
+functions and this manual page were written by
+.An John Baldwin Aq Mt jhb@FreeBSD.org .