diff --git a/MREAdapter48.md b/MREAdapter48.md
index 1e02afbf..416fa7c1 100644
--- a/MREAdapter48.md
+++ b/MREAdapter48.md
@@ -1,5 +1,5 @@
 
-High-side jumper should be set for +5v.
+High-side jumper should be set for +12v.
 
 Created for 1989-1995 Mazda Miata NA6 and early NA8. Would also work on Mazda Protege, Ford Festiva, Ford Escort GT and probably other relted vehicles.