diff --git a/README.md b/README.md
index dc4b421..4149095 100644
--- a/README.md
+++ b/README.md
@@ -44,5 +44,5 @@ Listed in order of importance.
     - [ ] How does an STG work?
     - [ ] CLI usage
     - [ ] Tail call optimisation
-    - [ ] Parser combinators
+    - [x] Parsing rlp