diff --git a/todo.md b/todo.md
index a7900550..95e85e5e 100644
--- a/todo.md
+++ b/todo.md
@@ -1,9 +1,9 @@
 TODO
 ====
 
-## correct batch parsing
-- allow spaces between symbols by default
-- add comments to generated C code giving an example string for each token
+## batch parsing
+- make it easy to make whitespace-separated sequence rules
+- add comments to generated C code describing the generated tokens (regexp pattern)
 - fix any memory leaks
 - add special lexical behavior for indentation-aware languages
 
@@ -13,5 +13,4 @@ TODO
 ## incremental parsing
 
 ## chores
-- figure out why Symbol and Character can't have const member variables
-  (unordered_map seems to require mutability of key objects)
+- backfill unit-level tests for follow_sets
\ No newline at end of file