Fix typo in io_uring_get_sqe man page
@@ -43,7 +43,7 @@ to return valid data when reaping IO completions, either
or
.BR io_uring_sqe_set_data64 (3)
.B MUST
-have been called submitting the request.
+have been called before submitting the request.
.SH RETURN VALUE
.BR io_uring_get_sqe (3)
