diff --git a/Sideboards.md b/Sideboards.md
index 6f6dd3e..3e27859 100644
--- a/Sideboards.md
+++ b/Sideboards.md
@@ -14,6 +14,7 @@ The [STM](https://github.com/EFeru/hoverboard-sideboard-hack-STM) firmware can b
 * GD32F103C8T6
 
 
+Those boards can have different IMUs, not all are fully supported:
 |IMU|Has DMP|Is supported|Comment|
 |---|---|---|---|
 |MPU6050|✔️|✔️||