man/io_uring_enter.2: mention IORING_OP_MSG_RING uses cqe flags
@@ -1247,7 +1247,9 @@ is used for certain commands, like
.B IORING_OP_POLL_ADD
or in conjunction with
.B IOSQE_BUFFER_SELECT
-, see those entries.
+or
+.B IORING_OP_MSG_RING,
+, see those entries for details.
.I res
is the operation-specific result, but io_uring-specific errors
(e.g. flags or opcode invalid) are returned through this field.
