diff --git a/electrical/documents/nodes/arm_breakout_1.md b/electrical/documents/nodes/arm_breakout_1.md
index 05a6f2c..1b7e08a 100644
--- a/electrical/documents/nodes/arm_breakout_1.md
+++ b/electrical/documents/nodes/arm_breakout_1.md
@@ -28,3 +28,4 @@ Step placeholder.
 #### Version 1
 - Footprint for USB connector is mirrored about the vertical axis, creates 5V -> GND short.
 - LEDs don't seem to work
+- Probably need to add a beefy capacitor to the power rail