From 8159f701f44dc75a097b3f886b337e496c97667c Mon Sep 17 00:00:00 2001
From: Grant Sanderson <grant@3blue1brown.com>
Date: Sun, 23 Feb 2020 22:58:47 +0000
Subject: [PATCH] Typo fix

---
 manimlib/mobject/mobject.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/manimlib/mobject/mobject.py b/manimlib/mobject/mobject.py
index 2b077542..9774616b 100644
--- a/manimlib/mobject/mobject.py
+++ b/manimlib/mobject/mobject.py
@@ -134,7 +134,7 @@ class Mobject(Container):
         return self
 
     def add_to_back(self, *mobjects):
-        self.set_submobjects(list_update(mobjects, self.sub_mobjects))
+        self.set_submobjects(list_update(mobjects, self.submobjects))
         return self
 
     def replace_submobject(self, index, new_submob):