[3.14] pythongh-120608: fix NEWS entry typo (pythonGH-135535) (python#135558)

Co-authored-by: Rafael Fontenelle <rffontenelle@users.noreply.github.com>

Author: miss-islington

Misc/NEWS.d/3.14.0a6.rst

@@ -1325,7 +1325,7 @@ variable.
 .. nonce: d75n8U
 .. section: Core and Builtins
 
-Adapt :func:`reversed` for use in the free-theading build. The
+Adapt :func:`reversed` for use in the free-threading build. The
 :func:`reversed` is still not thread-safe in the sense that concurrent
 iterations may see the same object, but they will not corrupt the
 interpreter state.