1 files changed, 12 insertions, 6 deletions
diff --git a/Doc/library/fcntl.rst b/Doc/library/fcntl.rst
index c8ce86cc7af..5c078df44ff 100644
--- a/Doc/library/fcntl.rst
+++ b/Doc/library/fcntl.rst
@@ -107,15 +107,15 @@ The module defines the following functions:
    passed to the C :c:func:`fcntl` call.  The return value after a successful
    call is the contents of the buffer, converted to a :class:`bytes` object.
    The length of the returned object will be the same as the length of the
-   *arg* argument. This is limited to 1024 bytes.
+   *arg* argument.
 
    If the :c:func:`fcntl` call fails, an :exc:`OSError` is raised.
 
    .. note::
-      If the type or the size of *arg* does not match the type or size
-      of the argument of the operation (for example, if an integer is
+      If the type or size of *arg* does not match the type or size
+      of the operation's argument (for example, if an integer is
       passed when a pointer is expected, or the information returned in
-      the buffer by the operating system is larger than 1024 bytes),
+      the buffer by the operating system is larger than the size of *arg*),
       this is most likely to result in a segmentation violation or
       a more subtle data corruption.
 
@@ -125,6 +125,9 @@ The module defines the following functions:
       Add support of arbitrary :term:`bytes-like objects <bytes-like object>`,
       not only :class:`bytes`.
 
+   .. versionchanged:: next
+      The size of bytes-like objects is no longer limited to 1024 bytes.
+
 
 .. function:: ioctl(fd, request, arg=0, mutate_flag=True, /)
 
@@ -161,8 +164,7 @@ The module defines the following functions:
       If the type or size of *arg* does not match the type or size
       of the operation's argument (for example, if an integer is
       passed when a pointer is expected, or the information returned in
-      the buffer by the operating system is larger than 1024 bytes,
-      or the size of the mutable bytes-like object is too small),
+      the buffer by the operating system is larger than the size of *arg*),
       this is most likely to result in a segmentation violation or
       a more subtle data corruption.
 
@@ -185,6 +187,10 @@ The module defines the following functions:
       The GIL is always released during a system call.
       System calls failing with EINTR are automatically retried.
 
+   .. versionchanged:: next
+      The size of not mutated bytes-like objects is no longer
+      limited to 1024 bytes.
+
 .. function:: flock(fd, operation, /)
 
    Perform the lock operation *operation* on file descriptor *fd* (file objects providing