diff --git a/docs/CARS.md b/docs/CARS.md
index a0d2cf388d..10952fdb9a 100644
--- a/docs/CARS.md
+++ b/docs/CARS.md
@@ -2,7 +2,7 @@
 
 # Supported Cars
 
-A supported vehicle is one that just works when you install a comma three. All supported cars provide a better experience than any stock system.
+A supported vehicle is one that just works when you install a comma three. All supported cars provide a better experience than any stock system. Supported vehicles reference the US market unless otherwise specified.
 
 # 239 Supported Cars
 
diff --git a/selfdrive/car/CARS_template.md b/selfdrive/car/CARS_template.md
index 1c80ea3d93..8a879954fa 100644
--- a/selfdrive/car/CARS_template.md
+++ b/selfdrive/car/CARS_template.md
@@ -6,7 +6,7 @@
 
 # Supported Cars
 
-A supported vehicle is one that just works when you install a comma three. All supported cars provide a better experience than any stock system.
+A supported vehicle is one that just works when you install a comma three. All supported cars provide a better experience than any stock system. Supported vehicles reference the US market unless otherwise specified.
 
 # {{all_car_info | length}} Supported Cars