various: Spelling fixes
diff --git a/py/obj.c b/py/obj.c
index 98ffa93..493945a 100644
--- a/py/obj.c
+++ b/py/obj.c
@@ -401,7 +401,7 @@
         return MP_OBJ_NEW_SMALL_INT(id);
     } else {
         // If that didn't work, well, let's return long int, just as
-        // a (big) positve value, so it will never clash with the range
+        // a (big) positive value, so it will never clash with the range
         // of small int returned in previous case.
         return mp_obj_new_int_from_uint((mp_uint_t)id);
     }