diff --git a/board/raspberrypi/readme.txt b/board/raspberrypi/readme.txt
index 8b3de6d251..ac784e07fd 100644
--- a/board/raspberrypi/readme.txt
+++ b/board/raspberrypi/readme.txt
@@ -35,6 +35,10 @@ For model 3 B and B+:
 
   $ make raspberrypi3_defconfig
 
+or for model 3 B and B+ (64 bit):
+
+  $ make raspberrypi3_64_defconfig
+
 For model 4 B:
 
   $ make raspberrypi4_defconfig