diff --git a/data/software.yml b/data/software.yml
index d96846c..c09bf24 100644
--- a/data/software.yml
+++ b/data/software.yml
@@ -375,7 +375,7 @@ ps2_traindensha:
     - model: vok00106
       notes: "Requires official USB adapter. Set power to 4 and brake to 7."
     - model: sotp031201
-      notes: "P4/B7, B5-B5 cassettes."
+      notes: "P4/B7, P5-B5 cassettes."
     - model: cotm02001
 
 ps2_trainkeitokei: