diff --git a/README.md b/README.md
index 4af40fb..50c8fc2 100644
--- a/README.md
+++ b/README.md
@@ -10,10 +10,9 @@ Goals:
   evaluating from that representation. LOOT's current parser evaluates
   conditions while parsing them, tightly coupling the two operations.
 - [ ] Explore more granular result caching. LOOT's current caching maps each
-  condition string to its result, which can't handle case insensitivity (some
-  parts of the condition string are case sensitive) or re-use results in
-  compound conditions.
-- [ ] Explore round trip serialisation from the intermediate representation.
+  condition string to its result, which can't re-use results in compound
+  conditions.
+- [x] Explore round trip serialisation from the intermediate representation.
 - [ ] Evaluate the cost/benefit of integrating into LOOT, replacing the existing
   code.