diff --git a/README.md b/README.md
index e536081..b8a1619 100644
--- a/README.md
+++ b/README.md
@@ -61,6 +61,8 @@ The primary goals of this framework are:
 - [ ] `EntityType` validator (using reflection)
 - [ ] Property-based testing (using `SwiftCheck`)
 - [ ] Roll my own `Result` or find an alternative that doesn't use `Foundation`.
+- [ ] Create more descriptive errors that are easier to use for troubleshooting.
+- [ ] Add errors that check consistency from one part of a document to another (i.e. includes must be referenced by a relationship in the primary resource object).
 
 ## Usage
 ### Prerequisites