diff --git a/draft/overlay/adafruit_matrix.md b/draft/overlay/adafruit_matrix.md
index 76126ae..f18b3d2 100644
--- a/draft/overlay/adafruit_matrix.md
+++ b/draft/overlay/adafruit_matrix.md
@@ -17,7 +17,15 @@
    '4':
    '17':
  ground:
-   '6': 
+
+   '9':
+   '25':
+   '39':
+   '34':
+   '30':
+   '20':
+   '14':
+   '6':
  pin:
    '3':
      mode: I2C