Issue #5341: Fix a variety of spelling errors.
diff --git a/Objects/object.c b/Objects/object.c
index 5dff385..69fb6de 100644
--- a/Objects/object.c
+++ b/Objects/object.c
@@ -1964,7 +1964,7 @@
 none_dealloc(PyObject* ignore)
 {
 	/* This should never get called, but we also don't want to SEGV if
-	 * we accidently decref None out of existance.
+	 * we accidentally decref None out of existence.
 	 */
 	Py_FatalError("deallocating None");
 }