Issue #27895: Spelling fixes (Contributed by Ville Skyttä).
diff --git a/Modules/_threadmodule.c b/Modules/_threadmodule.c
index 968181c..0219559 100644
--- a/Modules/_threadmodule.c
+++ b/Modules/_threadmodule.c
@@ -45,7 +45,7 @@
/* Helper to acquire an interruptible lock with a timeout. If the lock acquire
* is interrupted, signal handlers are run, and if they raise an exception,
* PY_LOCK_INTR is returned. Otherwise, PY_LOCK_ACQUIRED or PY_LOCK_FAILURE
- * are returned, depending on whether the lock can be acquired withing the
+ * are returned, depending on whether the lock can be acquired within the
* timeout.
*/
static PyLockStatus