///
/// On MacOS, this function corresponds to `fclonefileat` and `fcopyfile`.
///
-/// Note that, this [may change in the future][changes].
+/// Note that platform-specific behavior [may change in the future][changes].
///
/// [changes]: io#platform-specific-behavior
///
/// On Linux (including Android), this function uses `copy_file_range(2)`,
/// `sendfile(2)` or `splice(2)` syscalls to move data directly between file
/// descriptors if possible.
+///
+/// Note that platform-specific behavior [may change in the future][changes].
+///
+/// [changes]: crate::io#platform-specific-behavior
#[stable(feature = "rust1", since = "1.0.0")]
pub fn copy<R: ?Sized, W: ?Sized>(reader: &mut R, writer: &mut W) -> Result<u64>
where