diff --git a/hardware/colorlight-base/README.md b/hardware/colorlight-base/README.md
index 1cb8ff9..43d0a99 100644
--- a/hardware/colorlight-base/README.md
+++ b/hardware/colorlight-base/README.md
@@ -15,3 +15,6 @@ Designed for JLC7628 stackup.
 - I2C should have DNP pullup resistor footprints
 - Reset and/or power button would be nice
 - Pads on DDR connector could be thinned slightly
+- VREF is floating on ADCs
+- led is on same FPGA pin as ADC1 refclk (U16)
+- Need to figure out the pin length for mounting the board directly to preprocessor