diff --git a/motors/peripheral/can.c b/motors/peripheral/can.c
index ccd8d7d..de593c7 100644
--- a/motors/peripheral/can.c
+++ b/motors/peripheral/can.c
@@ -86,6 +86,7 @@
   // more stable than the PLL-based peripheral clock, which matters.
   // We're going with a sample point fraction of 0.875 because that's what
   // SocketCAN defaults to.
+  // This results in a baud rate of 500 kHz.
   CAN0_CTRL1 = CAN_CTRL1_PRESDIV(
                    1) /* Divide the crystal frequency by 2 to get 8 MHz. */ |
                CAN_CTRL1_RJW(0) /* RJW/SJW of 1, which is most common. */ |