More todos

Change-Id: I0069e6a26a38eab7b3883299e968952309ae7ee2
diff --git a/README.md b/README.md
index 64fd399..d2ce6fb 100644
--- a/README.md
+++ b/README.md
@@ -186,6 +186,8 @@
 - [ ] Support for negation
 - [ ] Support multiple mappings (by having a check list)
 - [ ] Response rewriting
+- [ ] Support corpus mappings
+- [ ] Support chaining of mappings
 
 ## COPYRIGHT AND LICENSE