diff --git a/papers/doc/7-systems/ym2610b.md b/papers/doc/7-systems/ym2610b.md
index 0910d1d3d..da4f542d4 100644
--- a/papers/doc/7-systems/ym2610b.md
+++ b/papers/doc/7-systems/ym2610b.md
@@ -1,4 +1,4 @@
-# Taito Arcade/Yamaha YM2610
+# Taito Arcade/Yamaha YM2610B
 
 YM2610B is basically YM2610 with 2 extra FM channels used at some 90s Taito Arcade hardwares.