Fix ReST role

Author: encukou

Doc/library/exceptions.rst

@@ -430,7 +430,7 @@ The following exceptions are the exceptions that are usually raised.
    * Creating a new Python thread.
    * :meth:`Joining <threading.Thread.join>` a running daemon thread.
    * :func:`os.fork`,
-   * acquiring a lock such as :cls:`threading.Lock`, when it is known that
+   * acquiring a lock such as :class:`threading.Lock`, when it is known that
      the operation would otherwise deadlock.
 
    See also the :func:`sys.is_finalizing` function.

Misc/NEWS.d/next/Library/2025-06-27-09-26-04.gh-issue-87135.33z0UW.rst

@@ -1,3 +1,3 @@
-Acquiring a :cls:`threading.Lock` or :cls:`threading.RLock` at interpreter
+Acquiring a :class:`threading.Lock` or :class:`threading.RLock` at interpreter
 shutdown will raise :exc:`PythonFinalizationError` if Python can determine
 that it would otherwise deadlock.