Fix stdin.rs comments to say "read" instead of "write".
This just fixes a few comments that appear to have been copied and
pasted from stdout.rs.
@@ -16,7 +16,7 @@ use crate::utils::Context as _;
/// ### Note: Windows Portability Consideration
///
/// When operating in a console, the Windows implementation of this stream does not support
-/// non-UTF-8 byte sequences. Attempting to write bytes that are not valid UTF-8 will return
+/// non-UTF-8 byte sequences. Attempting to read bytes that are not valid UTF-8 will return
/// an error.
///
/// # Examples
@@ -49,7 +49,7 @@ pub fn stdin() -> Stdin {
/// ### Note: Windows Portability Consideration
///
/// When operating in a console, the Windows implementation of this stream does not support
-/// non-UTF-8 byte sequences. Attempting to write bytes that are not valid UTF-8 will return
+/// non-UTF-8 byte sequences. Attempting to read bytes that are not valid UTF-8 will return
/// an error.
///
/// [`stdin`]: fn.stdin.html
@@ -79,7 +79,7 @@ struct Inner {
/// The line buffer.
line: String,
- /// The write buffer.
+ /// The read buffer.
buf: Vec<u8>,
/// The result of the last asynchronous operation on the stdin.
