man/io_uring_prep_send_zc.3: fix title
Title should reference the zc variant.
.\"
.\" SPDX-License-Identifier: LGPL-2.0-or-later
.\"
-.TH io_uring_prep_send 3 "September 6, 2022" "liburing-2.3" "liburing Manual"
+.TH io_uring_prep_send_zc 3 "September 6, 2022" "liburing-2.3" "liburing Manual"
.SH NAME
io_uring_prep_send_zc \- prepare a zerocopy send request
.SH SYNOPSIS
