Update peps/pep-0780.rst

Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>

Author: zklaus

peps/pep-0780.rst

@@ -284,7 +284,7 @@ Require Free-Threaded Fork of PyYAML
 ------------------------------------
 PyYAML initially decided not to support free-threading in its mainline
 distribution before wider testing of free-threaded Python in the real world.
-To faciliate this testing, a free-threaded fork, PyYAML-ft, was created.
+To facilitate this testing, a free-threaded fork, PyYAML-ft, was created.
 To require this fork, for a free-threaded Python interpreter, without forcing
 it also on the GIL-enabled interpreter, the following dependency specification
 can be used::