diff --git a/TODO.md b/TODO.md
index 124e98f9..d71c4b2f 100644
--- a/TODO.md
+++ b/TODO.md
@@ -3,8 +3,9 @@
 
 1. Bug reports and user interface feedback are always appreciated.
 2. Front-end
+  * Preview pane: Replace the modal with an always-visible data pane.
 3. Back-end
-  * Convert ColumnGuesser.java into JRuby or jruby_dump_characters into Java. (This will save significant startup time by not having to start the JVM repeatedly.)
+  * Convert ColumnGuesser.java into JRuby or jruby_dump_characters into Java. (This will save significant startup time by not having to start the JVM repeatedly. Or implement Nailgun.)
   * Ability to apply a lasso to all subsequent pages in a document.
   * Modify imgAreaSelect (or replace it with another JS library) to allow multiple selects. (The data should probably be concatenated, then made available for viewing/download/clipboard.)