diff --git a/docs/README.md b/docs/README.md
index 2fdcb87..2d70b91 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -8,6 +8,8 @@ Midi channel, CC number, and maximum and minimum values are customisable.
 
 The expression pedal is automatically calibrated. At startup, simply move your pedal from minimum to maximum. The values are determined accordingly, and CC messages will start being sent.
 
+Schematic coming soon
+
 ![](/docs/Pi-Pico-ExpressionPedal2Midi1.jpeg)
 ![](/docs/Pi-Pico-ExpressionPedal2Midi2.jpeg)
 ![](/docs/Pi-Pico-ExpressionPedal2Midi3.jpeg)