diff --git a/README.md b/README.md
index a3e6d38..49fb106 100644
--- a/README.md
+++ b/README.md
@@ -181,11 +181,12 @@ acceptance of the
   [candlelight](https://github.com/candle-usb/candleLight_fw), such as a
   [Canable](https://canable.io/).  Alternatively, a device that supports
   Klipper's USB-CAN bridge mode works well.
-- The BTT U2C v2.1 CAN peripheral does not work with CanBoot.  The device fails
-  when large data transfers are requested.  Note that this problem may also
-  lead to Klipper to shutdowns.  Avoid this device until BTT has resolved the
-  problem.
-- If using a MCP2515 CAN Device (ie: Waveshare RS485 CAN HAT) it is possible
+- The BTT U2C v2.1 CAN device does not consistently work with CanBoot. On
+  some systems (anecodotally the Raspberry Pi 4) the device fails when
+  large data transfers are requested.  Note that this problem may also
+  lead to Klipper to shutdowns.  This device *may* work depending on your
+  hardware setup, however tread carefully.
+- If using a MCP2515 CAN device (ie: Waveshare RS485 CAN HAT) it is possible
   that packets will be dropped when reading flash back from the node during
   the verification process.  That said, I have successfully tested the 12 MHz
   Crystal variant with the