[3.10] Fix typos in the Objects directory (GH-28766) (GH-28797)



(cherry picked from commit 5f401f10400123afa9171548c432ea3fc37c0736)

Automerge-Triggered-By: GH:JulienPalard
diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
index 849dd5c..11a3a6d 100644
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -7473,7 +7473,7 @@ PyUnicode_AsASCIIString(PyObject *unicode)
 #endif
 
 /* INT_MAX is the theoretical largest chunk (or INT_MAX / 2 when
-   transcoding from UTF-16), but INT_MAX / 4 perfoms better in
+   transcoding from UTF-16), but INT_MAX / 4 performs better in
    both cases also and avoids partial characters overrunning the
    length limit in MultiByteToWideChar on Windows */
 #define DECODING_CHUNK_SIZE (INT_MAX/4)
@@ -16149,7 +16149,7 @@ init_fs_codec(PyInterpreterState *interp)
     _Py_error_handler error_handler;
     error_handler = get_error_handler_wide(config->filesystem_errors);
     if (error_handler == _Py_ERROR_UNKNOWN) {
-        PyErr_SetString(PyExc_RuntimeError, "unknow filesystem error handler");
+        PyErr_SetString(PyExc_RuntimeError, "unknown filesystem error handler");
         return -1;
     }