diff --git a/keyboards/vonreg/info.json b/keyboards/vonreg/info.json
index a20442ad827..2c9db475961 100644
--- a/keyboards/vonreg/info.json
+++ b/keyboards/vonreg/info.json
@@ -10,7 +10,7 @@
         "mousekey": true,
         "nkro": true
     },
-    "processor": "STM32F401",
+    "development_board": "blackpill_f401",
     "url": "https://github.com/tompi/vonreg",
     "usb": {
         "pid": "0x0000",
diff --git a/keyboards/vonreg/readme.md b/keyboards/vonreg/readme.md
index fbc20048b11..adb864b7466 100644
--- a/keyboards/vonreg/readme.md
+++ b/keyboards/vonreg/readme.md
@@ -1,3 +1,5 @@
+If the blackpill wont go into dfu mode, short A10 to ground, and hold boot while powering on. After this you should reliably boot into dfu by holding top outer key while powering on.
+
 To flash left:
 
 make vonreg:default:dfu-util-split-left
@@ -5,3 +7,5 @@ make vonreg:default:dfu-util-split-left
 To flash right:
 
 make vonreg:default:dfu-util-split-right
+
+