From d44ca41410f4b2706dd143a91e9f1db68f6045ea Mon Sep 17 00:00:00 2001
From: Braden MacDonald <braden@opencraft.com>
Date: Wed, 31 May 2023 16:14:05 -0700
Subject: [PATCH] docs: clarify comment that I had added earlier

---
 xmodule/x_module.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xmodule/x_module.py b/xmodule/x_module.py
index da0eed90e9eb..f3e7395fa3b6 100644
--- a/xmodule/x_module.py
+++ b/xmodule/x_module.py
@@ -379,7 +379,7 @@ def location(self):
     def location(self, value):
         assert isinstance(value, UsageKey)
         self.scope_ids = self.scope_ids._replace(
-            def_id=value,  # FIXME: this seems wrong... a UsageKey is not a definition key.
+            def_id=value,  # Note: assigning a UsageKey as def_id is OK in old mongo / import system but wrong in split
             usage_id=value,
         )