docs: Fix a few typos (#94899)

- overriden => overridden
- calcualation => calculation

Signed-off-by: Tim Gates <tim.gates@iress.com>

Misc/NEWS.d/3.9.0a1.rst

@@ -5769,4 +5769,4 @@ Convert posixmodule.c statically allocated types ``DirEntryType`` and
 .. section: C API
 
 Use singular/plural noun in error message when instantiating an abstract
-class with non-overriden abstract method(s).
+class with non-overridden abstract method(s).

Modules/getpath.py

@@ -422,7 +422,7 @@ if not real_executable_dir:
 # ******************************************************************************
 
 # The contents of an optional ._pth file are used to totally override
-# sys.path calcualation. Its presence also implies isolated mode and
+# sys.path calculation. Its presence also implies isolated mode and
 # no-site (unless explicitly requested)
 pth = None
 pth_dir = None

Objects/typeobject.c

@@ -5460,7 +5460,7 @@ object_getstate(PyObject *obj, int required)
         PyCFunction_GET_SELF(getstate) == obj &&
         PyCFunction_GET_FUNCTION(getstate) == object___getstate__)
     {
-        /* If __getstate__ is not overriden pass the required argument. */
+        /* If __getstate__ is not overridden pass the required argument. */
         state = object_getstate_default(obj, required);
     }
     else {