Add cross-references to the glossary entry for file objects.
diff --git a/Doc/library/ftplib.rst b/Doc/library/ftplib.rst
index f9b6481..4111de4 100644
--- a/Doc/library/ftplib.rst
+++ b/Doc/library/ftplib.rst
@@ -245,12 +245,12 @@
 .. method:: FTP.storbinary(cmd, file, blocksize=8192, callback=None, rest=None)
 
    Store a file in binary transfer mode.  *cmd* should be an appropriate
-   ``STOR`` command: ``"STOR filename"``. *file* is an open file object which is
-   read until EOF using its :meth:`read` method in blocks of size *blocksize* to
-   provide the data to be stored.  The *blocksize* argument defaults to 8192.
-   *callback* is an optional single parameter callable that is called
-   on each block of data after it is sent. *rest* means the same thing as in
-   the :meth:`transfercmd` method.
+   ``STOR`` command: ``"STOR filename"``. *file* is an open :term:`file object`
+   which is read until EOF using its :meth:`read` method in blocks of size
+   *blocksize* to provide the data to be stored.  The *blocksize* argument
+   defaults to 8192.  *callback* is an optional single parameter callable that
+   is called on each block of data after it is sent. *rest* means the same thing
+   as in the :meth:`transfercmd` method.
 
    .. versionchanged:: 3.2
       *rest* parameter added.
@@ -260,8 +260,8 @@
 
    Store a file in ASCII transfer mode.  *cmd* should be an appropriate
    ``STOR`` command (see :meth:`storbinary`).  Lines are read until EOF from the
-   open file object *file* using its :meth:`readline` method to provide the data to
-   be stored.  *callback* is an optional single parameter callable
+   open :term:`file object` *file* using its :meth:`readline` method to provide
+   the data to be stored.  *callback* is an optional single parameter callable
    that is called on each line after it is sent.