bpo-36766: Typos in docs and code comments (GH-13116)

diff --git a/Objects/object.c b/Objects/object.c
index 732f9cc..cb72794 100644
--- a/Objects/object.c
+++ b/Objects/object.c
@@ -2170,7 +2170,7 @@
         fprintf(stderr, "<object: freed type %p>\n", (void *)Py_TYPE(obj));
     }
     else {
-        /* Diplay the traceback where the object has been allocated.
+        /* Display the traceback where the object has been allocated.
            Do it before dumping repr(obj), since repr() is more likely
            to crash than dumping the traceback. */
         void *ptr;