diff --git a/zsnes/docs/todo.txt b/zsnes/docs/todo.txt
index cd0b32c1..9701009c 100644
--- a/zsnes/docs/todo.txt
+++ b/zsnes/docs/todo.txt
@@ -22,7 +22,7 @@ Compatibility
       and other sprite trouble), Metal Combat (OBC-1), Tactic Ogre (Menus), Energy
       Breaker (mode7 world map), Super Aleste (incorrect opt in stage 5),
       Top Gear 3000 (DSP-4), lots of others...
-- Special Chips - DSP1 (95% done), DSP3 (50% done), DSP4 (90% done)
+- Special Chips - DSP1 (95% done), DSP3 (50% done), DSP4 (95% done)
       SA-1 (95% done), SPC7110 (Needs some core fixes and decompression)
       SFX1/2 (done?), OBC1 (have to clean the mess), Seta 11 (0% done),
       Seta 18 (0% done), BS-X (50% done).