diff --git a/README.markdown b/README.markdown
index 593a29e..46d2fcf 100644
--- a/README.markdown
+++ b/README.markdown
@@ -18,6 +18,11 @@ jsx may be built using either [sinan][sinan] or [rebar][rebar]
   - [json <-> erlang mapping](#json---erlang-mapping)
   - [incomplete input](#incomplete-input)
 * [data types](#data-types)
+  - [`json_term()`](#json_term)
+  - [`json_text()`](#json_text)
+  - [`token()`](#token)
+  - [`event()`](#event)
+  - [`option()`](#option)
 * [exports](#exports)
 * [callback exports](#callback_exports)
 * [acknowledgements](#acknowledgements)